Question

How do you finde the surface area?

Answer 1

the surface area of what?

Answer 2

yeah of what

Answer 3

surface area is the sum of the areas that cover an object.

Answer 4

i think its a prism

Answer 5

im givin 11.4
11
9
and 12.
and the answer is 345.
but that problem was an example.

Answer 6

General idea for a prism is the sum of the area of the top and bottom plus the area of the side.
2 × area of base + perimeter of base × height
There are different formulas for different types of prisms

Answer 7

Whats the perimeter of the base?

Answer 8

is it a circle, triangle, rectangle?

Answer 9

rectangle

Answer 10

get the perimeter just like a normal rectangle