Question

A square pyramid has a total surface area of one thousand square feet. The area of the base is two hundred square feet. What is the area of one triangular face of the lateral surface?

one hundred twenty-five square feet

one hundred fifty square feet

one hundred seventy-five square feet

two hundred square feet

Answer 1

Hint: Total Surface Area = (Base Area) + 4*(Area of One Triangular Face)

Answer 2

In other words: 1000 = 200 - 4s, solve for s

Answer 3

so the answer is 200?

Answer 4

I think you meant to say 1000 = 200 + 4s

Answer 5

and yes, it's 200

Answer 6

right my bad, typo. good job