Question

help surface area of prisms and pyramids... will give a medal

Answer 1

122in sq

Answer 2

Confirm It.

Answer 3

can u show me how u got that

Answer 4

Area of a prism is Base x Height

Answer 5

No, it's wrong @Schen421

Answer 6

He asked for Surface Area of the prism, which is S=(Perimeter*height)+2(Area of the Base)

Answer 7

base is 9x9 =81

Answer 8

Oh my bad, that was volume. S.A = Perimeter times height + 2Bases

Answer 9

right?

Answer 10

SO:

S=(4+4+4)(9)+(2)(0.5)(4)(3.5)
S=12(9)+(2)(0.5)(4)(3.5)
S=108+(2)(0.5)(4)(3.5)
S=108+(4)(3.5)
S=108+14
S=122 sq in.