Given that EFGH is an isosceles trapezoid find x & y.
Some please help!)

- anonymous

Given that EFGH is an isosceles trapezoid find x & y.
Some please help!)

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- anonymous

|dw:1371536799472:dw|

- anonymous

answers:
A. x = 4, y= 2
B. x = 10, y= 46
C. x = 8,y = 2
D. x = 10, y= 44

- mayankdevnani

|dw:1371537021110:dw|

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## More answers

- anonymous

|dw:1371537131718:dw|

- anonymous

Do you understand this??

- mayankdevnani

|dw:1371537210091:dw|
what are these???

- anonymous

i dont know. thats what im trying to figure out. Thats what it looks like on my quiz though.

- mayankdevnani

|dw:1371537312744:dw|

- anonymous

Ohh..i see. But then what is x &? i dont know how to get it.

- mayankdevnani

|dw:1371537568464:dw|

- mayankdevnani

\[\huge if ~x~degree=2x-13\]
\[\huge so~what~is~the~value~of~y???\]

- anonymous

y= 3 ?

- mayankdevnani

no!!!

- mayankdevnani

|dw:1371537737267:dw|

- anonymous

2x-13=x-3 ?

- anonymous

i have less then 2 minutes to solve this equation. Do you think you could give me the answer and then explain it?

- ganeshie8

lets start it over

- anonymous

i have less then 2 minutes.. but sure.

- ganeshie8

|dw:1371537873355:dw|

- ganeshie8

2x-3 and x-3 are sides. they are not angles.

- anonymous

ok.

- mayankdevnani

|dw:1371537894805:dw|
right?? @ashleyvee

- anonymous

right.

- ganeshie8

First get this clear, 2x-13 and x-3 are sides, they are not angles.

- anonymous

ok.

- ganeshie8

then everything else is simple and easy

- ganeshie8

Good, lets start from there

- anonymous

ok

- ganeshie8

in isosceles trap, sides are equal.

- ganeshie8

set them equal, and solve x

- mayankdevnani

|dw:1371537984499:dw|
@ganeshie8

- anonymous

y?

- ganeshie8

mayank il get back to u ltr, is that fine ?

- mayankdevnani

first tell me

- ganeshie8

lets go step by step, first solve x

- ganeshie8

2x-13 = x-3
solve x

- anonymous

i have less then 60 seconds for this problem. D:

- anonymous

Can you just give me the answer and expl after?

- mayankdevnani

oh!! i see ..... @ashleyvee you diagram was incorrect

- ganeshie8

we're going to finish it in less than 60 seconds

- ganeshie8

x = 10

- mayankdevnani

your diagram will look like this:
|dw:1371538145453:dw|

- anonymous

i ran out of time.. :/

- anonymous

so y= 46 or 44?

- mayankdevnani

solve it @ashleyvee
\[\huge 2x-13=x-3\]
solve for x???

- ganeshie8

thats right !
B. x = 10, y= 46

- ganeshie8

ashley sorry you ran out of time :(

- anonymous

x=10

- anonymous

its okay. i have to retake it now. so at least i have another 50 minutes for the answer x)

- ganeshie8

each questio u take it separately is it ?

- ganeshie8

or u lost the whole assignment ?

- anonymous

i get 10 questions and about an hour to finish it. I absolutely hate that its timed. :/

- anonymous

i failed the assignment with a 40% xD

- ganeshie8

its okay, you will do super fine next time

- anonymous

opposite angles are equal and a pair of opposite sides are equal.
2x-13=x-3, 3y-4=y
=>x=10. and y=2

- anonymous

i get two more times to retake it before i receive an F for the assignment. These problems are getting so tricky though. :/ its taking me longer then an hour to do them. xD

- anonymous

y is actually 46. if it were 2 then x would equal 8. o:

- ganeshie8

lets do it 100m dash next time :)

- ganeshie8

yes y = 46 is correct

- anonymous

haha yeah! x) at least i can study for a few before i retake. o:

- ganeshie8

sounds good :D

- anonymous

i'm again sorry

- ganeshie8

Abhishek let ashlee solve it :)

- anonymous

ganeshie you shall receive best responce! x) again. hah

- ganeshie8

lol ty

- anonymous

good ashleyvee. try to solve it. you are getting it.

- anonymous

thanks abhishek but the answer was actually C. o:

- anonymous

Do you guys think you can help me with another equation i got wrong?

- ganeshie8

uhh C ?

- anonymous

i meant B. x)

- ganeshie8

C means B, ok fine il use it next time xD

- ganeshie8

yea, post the q...

- anonymous

sure.

- anonymous

lol okie doke. This ones really...difficult. :/

- anonymous

|dw:1371538764273:dw|

- ganeshie8

thats a lil parallelogram

- anonymous

Parallelogram QRST is shown. m~~
~~

- anonymous

But its the equation that getting me. D: im so confused!!

- ganeshie8

S, R and Q are given

- mayankdevnani

|dw:1371539009137:dw|
opposite angles of parallelogram are equal

- mayankdevnani

so,
\[\huge 3x=2y\]

- anonymous

A.20
B.30
C.40
D.60
Its not C for sure.

- ganeshie8

use this :-
120 + 2y = 180

- ganeshie8

solve y

- anonymous

y=30 !!

- ganeshie8

Yes ! u take any two adjacent angles, they always add up to 180

- mayankdevnani

to find the value of x,
|dw:1371539100093:dw|
they form a straight angle
so \[\huge 3x+120=180\]
solve for x???
@ashleyvee

- anonymous

x=20!

- mayankdevnani

correct

- anonymous

i get problems like this. its just when they throw a shape in there i get confused. :/ oh boy.

- mayankdevnani

so opposite sides of parallellogram are equal...
\[\huge 3x=2y\]
\[\huge 3 \times 20=2y\]
solve for y???
@ashleyvee

- anonymous

y=30

- ganeshie8

they will be mostly throwing u shapes that fall into one of below :-
1. parallelogram
2. rectangle
3. rhombus
4. square
5. kite
6. trap

- mayankdevnani

correct

- mayankdevnani

so correct option is B

- ganeshie8

Only those 6 shapes you need to master in geometry

- anonymous

Theyve been throwing all of those at me. x)

- ganeshie8

lol

- anonymous

I think ive mastered the square...lol

- ganeshie8

square is the simplest of them :)

- ganeshie8

master parallelogram also, it comes everywhere

- anonymous

i have another parallelogram question now that i got incorrect. xD

- ganeshie8

shoot

- mayankdevnani

post it

- anonymous

okay. ill draw it first!

- mayankdevnani

great

- ganeshie8

ha

- anonymous

|dw:1371539575986:dw|

- anonymous

In parallelogram MATH, m

- anonymous

@.@ ... asdfghjkl. 3x+20=5x-4? D: ?

- ganeshie8

yes thats a good start

- ganeshie8

solve x first

- anonymous

how do i cancel out? the x first right?

- anonymous

or wait.. do i add those numbers?

- ganeshie8

3x+20=5x-4
subtract 3x both sides

- ganeshie8

3x+20=5x-4
-3x -3x

- anonymous

3x+20=5x-4
-3 -3
______________
20=2x-4

- ganeshie8

add 4 both sides

- anonymous

20=2x-4
4 4
__________
24=2x
-- --
2 x 2x

- anonymous

x=12 ?

- ganeshie8

yes

- anonymous

Now what?

- ganeshie8

|dw:1371539975918:dw|

- anonymous

56?

- anonymous

or 112?

- ganeshie8

56 is

- anonymous

so it should be 56 right? and not 112?

- ganeshie8

so now we knw

- anonymous

i got something like 56+56=112
but i also got just 56 without adding.

- anonymous

Do we find a by adding 56^2?

- ganeshie8

use this :- in parallelogram, any two adjacent angles add upto 180

- anonymous

oops not squared. i meant 56 x 2= 112

- ganeshie8

|dw:1371540189544:dw|

- anonymous

56+x=180 ?

- ganeshie8

56 + A = 180
A = ?

- anonymous

124?

- ganeshie8

Yes.

- ganeshie8

remember that property

- anonymous

:D yes!! thank you!! i keep forgetting.. :/ But i can try.

- ganeshie8

in parallelogram, Any two adjacent angles add upto 180

- ganeshie8

no try not, there is no try. remember it lol

- anonymous

ive tried for over 4 years.. x) it just never sticks. Im a very forgetful person. :(

- ganeshie8

u watched any eposodes of starwars

- anonymous

hahahah. Nope. why?

- ganeshie8

ok... nthng move on :)

- anonymous

move on, i must. :)

- ganeshie8

http://t2.gstatic.com/images?q=tbn:ANd9GcSYS2nl6PKLSSeO5lgn2UYEIpJj0tlp7kowSHruYctMJvUZ-kXHnw

- ganeshie8

lol u knw Yoda then lol

- anonymous

omg. xD THANKS.

- ganeshie8

:D

- anonymous

Mad skillz. :D

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