Problema Solution
Cho is building a sandcastle in the shape of a triangular pyramid. The area of the base is 7 square feet. Each side of the base has a length of 4 feet andthe height of each face is 2 feet. What is the surface area of the pyramid?
Answer provided by our tutors
The pyramid has 3 faces and each face has an area of (1/2)*4*3 = 4 ft^2
The total surface of the pyramid is:
3*4 + 7 = 19 ft^2.