Question

What is the surface area
of this square-based
pyramid in square yards?

Answer 1

105ft^2

Explanation:

5×5 will equal the area of the base =25ft^2

4 triangles × (area of triangle)

area of triangle is height times base/2

4×5×8/2=80 ft^2

+25=105ft^2

American units omg lol just use Si when will your convert