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HourglassMage
Group Title
2. A parallelogram has the vertices (1, 2), (4, 4), (2, 1) and (3, 3). Determine what type of parallelogram [10 points]. Find the perimeter and area [20 points].
 3 months ago
 3 months ago
HourglassMage Group Title
2. A parallelogram has the vertices (1, 2), (4, 4), (2, 1) and (3, 3). Determine what type of parallelogram [10 points]. Find the perimeter and area [20 points].
 3 months ago
 3 months ago

This Question is Closed

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
That's what I got...but clearly it's not a parallelogram, so what am I doing wrong, and what do I need to do differently?
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
@ganeshie8, please help!
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
^^thats how it should look. graphing is a very good idea, but u dont need to graph to solve this problem.
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Ohhh...duh. Apparently I'm going to be stupid today, brilliant. Thnx for the help! :)
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
u figured how to work the problem ?
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
BTW, someone told me the answer to this problem was 12. Are they right? I got 4.2... √((3) – (0))² + ((0) – (3))² = √3² + 3² = √9 + 9 = √18 ≈ 4.2
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
yes, I did
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
show me ur complete work
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
For the first problem?
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
for both
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Ah...ok
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
what ever u have so far...
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
just a mo, then
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
working on the second question now
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
Are you given instructions that u need to work it by graphing ?
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Yeah, they taught graphing and the distance formula and whatnot
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
no, i mean did the instructions specifically ask u to do this by graphing ?
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
cuz, u should NOT use graphing unless the instructions say so
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
the common/regular way to work this problem is by finding lengths of sides using `distance formula` and the slopes of sides using `slope formula`
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Those were the directions they gave me
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
cool :) then you're right ! they want u work it by graphing
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Given that they gave me the graph, I would assume that they want me to solve it by graphing, but I also used the distance formula to find the lengths of the sides
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
ok :)
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
good :) your length of sides, and perimeter are correct. but Area is wrong.
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
squaring sides will not give u Area for a rhombus.
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
ohh..just looked it up A  diagonal x diagonal/2
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
Area of rhombus = \(\frac{1}{2} d_1 d_2\)
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Great, now I have to find the diagonals, lol
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
its easy from graph
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
horizontal diagonal = 33 = 6 vertical diagonal = 33 = 6
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
So, Area = \(\frac{1}{2} d_1 d_2 = \frac{1}{2} 6*6 = 18\)
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
And that makes the given rhombus a SQUARE !
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
so the given parallelogram is not just a rhombus, its also a SQUARE !
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
for the `type of parallelogram `, you should say that its a `square`
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
if that makes any sense..
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
The parallelogram is a rhombus and a square?
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
just say its a SQUARE !
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
rhomus: all equal sides, two pairs of equal angles square: equal sides, equal angles
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
oh, ok
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Does that change my equation for the area, then?
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
all squares are parallelograms all squares are rhombuses all squares are rectangles all squares are quadrilaterals
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
a square is many things
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
yes it will change ur formula, but the answer will be same
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
I see that, lol
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
let me modify it and give u
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
it will be?
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
here is the corrected stuff for question 1 : http://prntscr.com/3euc4h
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
how do you find the diagonals inside a rhombus?
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
use the distance formula
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
oh, its the same process, ok, hold on
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
ok, i presume u knw what a diagonal is :)
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
it just connects the opposite vertices
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
dw:1398867292759:dw
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
dw:1398867314860:dw
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
^^those two line segments joining opposite vertices are diagonals
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
Is that correct? I found it odd that I got the same area for #1 and #2...but maybe that's just a coincidence
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
diagonals are not equal in rhombus
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
so u need to calculate the 2nd diagonal also using distance formula
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
and then use the area of rhombus formula : Area = \(\frac{1}{2}d_1 d_2\)
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
@ganeshie8
 3 months ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
looks good !
 3 months ago

HourglassMage Group TitleBest ResponseYou've already chosen the best response.1
thnx! :D
 3 months ago
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