Question

What is the surface area of the pyramid?

Answer 1

ok so what is the formula for surface area of a pyramid?

Answer 2

I don't really know. There's too many.

Answer 3

you would have to memorize it.

Answer 4

No.

Answer 5

surface area of the pyramid= 4 * one triangle area + base area

Answer 6

so u need to count first atriangle area
triangle are = 0.5 height*base

can u calculate it ?

Answer 7

so area of triangle = 0.5 *10*7= 35

Answer 8

how ever nw u need to calculate base area as u can note its square
so area =side ^2 =7^2=49

Answer 9

nw back to pyramid
surface area of the pyramid= 4 * one triangle area + base area
=4*35 + 49

done ^^

Answer 10

Is it 189?

Answer 11

yes it is.

Answer 12

thanks for the medal @ikram002p

Answer 13

:)