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Sue has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area of the polygon. Be sure to show all your work and explain your answer.
What does the polygon look like?
|dw:1434040381668:dw| This c:
If you could explain how we do it and not give answer that will be amazing? thanks (:
Yop thats what i do... Do u have any ideas?
I'm not sure where to start? and how to do it. ):
So you have no ideas at all at this point?
No im sorry... im just confused.
ok, ok... and what math is this?
I mean like is this Algebra or geometry or what?
Like which class
geometry i think
its 6th grade math
ohhhhhhhhh I see
And this picture is the exact picture?
yes but i made it on here where it says draw
One of your sides says 25ft, but another side that is shorter says 35ft. Im just wondering ifthat was a typo?
No its exact
Usually with a compound polygon like that, you try to divide it into two or more smaller simpler polygons whose areas you know how to calculate. For example, divide it into rectangles, squares, trapezoids, triangles.
I know that part but i just dont know how i should do it i dont wanna do it wrong. @mathstudent55
Also one of your sides is cut off so i cant see the measure
Its all the way to the right
its is 43ft
the middle rectangle would be 8*35
what is 43-35?
what is 8*8/2?
yes good job!
you understand why we did that, right?
yes to find that area
yes becaues the area of a triangle is 1/2*Base*Hieght
Do you know what 35*8 is?
280 i think
and you know what 33-8 is?
Do you know how to do the rest?
add 280 + 25+ 32 ?
|dw:1434041595334:dw| We still have to find that triangle
No, its side is 25. We have to find its other side and multiply the two and divide by two
How dpo we find it?
|dw:1434041926192:dw| You're sure that side "X" is actually 25?
|dw:1434042045583:dw| If the other side is 43, then how can that one be 25?
i didnt create the question its on my worksheet
But are you sure that you copied the question right??
yes i have it with me
lets see if @mathstudent55 can help us
Bump the question up to the top real quick
thank you though for attempting to help me when the question was a bit confusing.
its loading hold on
one sec im going to be right back
and you're absolutely %100 sure that the problem is copied exactly??
yes i promise
is the problem multiple choice?
well... i dunno... If i were you i would assume the other side to be 25. Then do 1/2*25*25. and then add 280 and 32 to it
i cant assume i need to know because i need to get it correct
then call the other side "X" and do 1/2*25*X. and then add on 280 and 32
i just need help understanding and doing it...
im just going to close question and start over
hold on, brb
hi were you doing the problem?
I have already finished just viewing :)
so you understand it?
I just want to see what @Da_Homie can do
Can you please help me im begging. Was he doing it right?
I need to know the answer but i need know how to do it
Ok @mathstudent55 will help with that i got to help someone.
ok.. thanks i guess @Here_to_Help15
area of triangle: 1/2 * b * h = 1/2 * 25 * 27 = 337.5 ft^2 area of trapezoid: 1/2 * (a + b)h = 1/2 * (43 + 35)(8) = 312 ft^2 total area: 337.5 ft^2 + 312 ft^2 = 649.5 ft^2
so the answer is 649.5?
hello @Here_to_Help15 @mathstudent55