Question

Marissa needs to paint all the faces and the base of a model pyramid she made for her history project. The dimensions of the pyramid are shown here. What is the total surface area of the pyramid?

Answer 1

@LynFran

Answer 2

I tried it i think i got 140 but im not sure if thats correct

Answer 3

u can find the area of the square and then the triangle (note they are 4 of them)
so 10*10=100 ..area of square
(1/2)(10)(8)=40
40*4=??
now 100+40*4=??

Answer 4

260

Answer 5

correct

Answer 6

Thank you so much @LynFran (:

Answer 7

welcome