Question

Find the total surface area of this object. *picture in comments*

Answer 1

find the surface area of the big square (l * l), the surface area of the 2 triangle (1/2*b*h) and the area of the rectangle (l*w), add them together

Answer 2

1/2*b*h multiply by 2 for both triangles

Answer 3

Okay, one sec

Answer 4

Is the area of the big square 40? and the area of the two triangles 6? I feel like I'm way off.

Answer 5

the area of each triangle is 1/2(b*h) or 1/2(3*4)

Answer 6

then use the pythagorean theorem to find the side of the big rectangle (sorry I meant rectangle not square)

Answer 7

so 10* (sqrt(3^2 + 4^2))

Answer 8

is the area of the big square

Answer 9

rectangle*

Answer 10

then the area of the small rectangle is just 10 * 3

Answer 11

So 30 for the small rectangle. Big square is 100? and I got 12 for triangles.

Answer 12

no big rectangle is 10* (sqrt(3^2 + 4^2))

Answer 13

correct, each triangle is 6 so both triangles is 12

Answer 14

so 12 + 30 + 10* (sqrt(3^2 + 4^2))

Answer 15

so 12 + 30 + (10* (sqrt(3^2 + 4^2)))

Answer 16

is it 92? Because It says that is wrong when I type that in?

Answer 17

oops forgot about the base area, which is 10* 4

Answer 18

so 92 + 40

Answer 19

There we go. Thanks a lot!

Answer 20

nice :)