Question

HELP: Find the surface area of the composite solid.

A.502 m2
B.574 m2
C.646 m2
D.720 m2

Answer 1

This is the shape.

Answer 2

I got 502 as my answer when i worked it out a second time. But the first time it was wrong, so i want to be sure if its right or wrong?

Answer 3

Figure out face by face:
Bottom face: Rectangle 9 cm x 8 cm
Left face: Rectangle 9 cm x 7 cm
Right face: Rectangle 9 cm x 7 cm
Rectangle 9 cm x 6 cm
Top face: Rectangle 10 cm x 9 cm
Front face: Rectangle 8 cm x 7 cm
Triangle 8 cm by 6 cm (base and height)
Back face Rectangle 8 cm x 7 cm
Triangle 8 cm by 6 cm (base and height)
Now figure them all out and add them up.

Answer 4

I got 502 \(m^2\)

Answer 5

You are correct.

Answer 6

Thank-you!! (:

Answer 7

I SUPER APPRECIATE THE HELP!!

Answer 8

wlcm

Answer 9

No problem. Glad to be of help.

Answer 10

:)