Question

What is the area of the figure?



A.
90 mm2

B.
110 mm2

C.
130 mm2

D.
180 mm2

Answer 1

What figure?
Do you know how to find the area of something?

Answer 2

http://static.k12.com/calms_media/media/1567000_1567500/1567393/1/c4468a1690d478712d6a5a1c88192858380e4b51/MS_IMB-1401012-1100712.jpg

Answer 3

Im not really sure on this one. :/

Answer 4

Okay, well to find the area of something you must multiply Base x Height. let me take a look =)

Answer 5

Oh wow, um i'm not sure on this one either, let me get someone who can help =)

Answer 6

Okay !

Answer 7

Oh wow, um i'm not sure on this one either, let me get someone who can help =)

Answer 8

@SolomonZelman @ParthKohli @campbell_st

Answer 9

They should be able to help you =)

Answer 10

Thanks!

Answer 11

you have 2 trapezoids.

do you know how to find the area of a trapezoid ?

Answer 12

just like by rectangle,
`A = (height) times (width)`

by trapezoid
`A = (average height) times (width)`

Answer 13

lets take the bottom trapezoid it.

What is it's width ?
what is it's average height ?

Answer 14

11 and 10?

Answer 15

that is the bottom part.
YES, it's width is 10.

what about it's average height? (what is average between 11 and 7 ?)

Answer 16

(11 + 7) / 2 = ?

Answer 17

10?

Answer 18

re-try

Answer 19

9?

Answer 20

yes

Answer 21

can you find the area of the rectangle on the right side of the picture ?

Answer 22

90?

Answer 23

yes

Answer 24

so, the bottom part of your shape in the attachment is 90.

Answer 25

wait, 10 is entire height?

Answer 26

then I am wrong