Question

The area of the base of a prism is 70 mm2. The perimeter of the base is 50 mm. The height of the prism is 9 mm.

What is the surface area of the prism?


A.
129 mm2

B.
520 mm2

C.
590 mm2

D.
730 mm2


im thinking its A but it also looks liek it could be B D:

Answer 1

Assuming it has a top, the top and bottom would have an area of 70 + 70 or 140 sq mm.
the sides would be the perimeter times the height or 9 X 50 sq mm add em up

Answer 2

I see an answer.

Answer 3

i got 450 o.0

Answer 4

no i got 590 :D

Answer 5

I like that.

Answer 6

so it wwas c D:

Answer 7

Trust yourself. Gain confidence.

Answer 8

Good luck with these.