9. Solids

Consider the rectangular prisms A and B shown.

a

Find the surface area of Rectangular Prism A.

b

Find the surface area of Rectangular Prism B.

c

What is the ratio of the surface area of Rectangular Prism A to Rectangular Prism B?

d

Is it true that if the matching sides of two similar figures are in the ratio $m$`m`:$3$3, then their surface areas are in the ratio $m^2$`m`2:$3^2$32?

True

A

False

B

True

A

False

B

Easy

Approx 6 minutes

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