Question

The area of the base of a prism is 50 mm2. The perimeter of the base is 30 mm. The height of the prism is 7 mm.



What is the surface area of the prism?

Answer 1

50 x 20 x 7 x 2 ?

Answer 2

the area of both bases is:
50*2=...

Answer 3

100

Answer 4

ok!

Answer 5

now the area of lateral surface is:
30*7=...

Answer 6

210

Answer 7

ok!

Answer 8

so the total area is:
100+210=...

Answer 9

310

Answer 10

that's right!

Answer 11

:D

Answer 12

:)

Answer 13

Yay! Thank you!

Answer 14

:)