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How do you find number 42? Please answer ASAP!!!

How do you find number 42? Please answer ASAP!!!-example-1

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Answer:

Area = 35 sq cm

Explanation:

You've got a little house-like shape here. So you can find the area of the "roof"; it's a triangle. Then find the area of the "building" part; it's a rectangle. Then you just add the two parts together.

"Roof"

Area of a triangle is:

A = 1/2 b•h

= 1/2 •10•3

= 15 sq cm

"Building"

Area of rectangle:

A = l×w

= 10×2

= 20 sq cm

Area = 15 + 20

= 35 sq cm

User Rob VS
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