Note: Figure is not drawn to scale.

The shape above is a rectangular pyramid. What is the surface area if the length of the base is 50 cm, the width of the base is 22 cm, and the height is 60 cm?

Question

Note: Figure is not drawn to scale.

The shape above is a rectangular pyramid. What is the surface area if the length of the base is 50 cm, the width of the base is 22 cm, and the height is 60 cm?

anonymous · Answer

attachment

anonymous · Answer

@jim_thompson5910

jim_thompson5910 · Answer

the area of the base is just

A = LW

L = length
W = width

anonymous · Answer

lw=50x22=1100
then lh=50x60=3000/2=1500x2(because there's two)

jim_thompson5910 · Answer

to find the lateral surface area, you need s1 and s2

anonymous · Answer

How do I find them?

jim_thompson5910 · Answer

let's first draw out a picture

jim_thompson5910 · Answer

|dw:1364094888366:dw|

jim_thompson5910 · Answer

this is if you look directly head on one face that has a side length of W

jim_thompson5910 · Answer

cut that in half to get

|dw:1364094960232:dw|