Question

MEDAL AND FAN!!!



The area of the base of a prism is 21 cm2. The perimeter of the base is 20 cm. The height of the prism is 8 cm.

What is the surface area of the prism?

cm2

Answer 1

Allright. A prism is a 3 faced structure made of equilateral triangles

Answer 2

yes

Answer 3

let one side be x.
the perimiter of the base, 3x = 20

Answer 4

Wait a minute there's something wrong about the solution . Hang on there.

Answer 5

ok

Answer 6

The surface area of a prism = 2 × area of base + perimeter of base × H

Answer 7

Im so sorry for the earlier mess up. Here, the question is based on the formula mentioned above.

Answer 8

Put in the values, n there's your answer :')

Answer 9

so its 2?

Answer 10

@iGreen.

Answer 11

can you help me plz