I need this quick!!What is the surface area of the square pyramid? square units
2 answers:
You might be interested in
Answer:
63.6cm²
Step-by-step explanation:
Area of square = 81
Side of square =
= 9
-----------------------------------------
diameter of circle = 9
radius of circle = 9 ÷ 2
= 4.5
area of circle = πr²
= π (4.5)²
= 63.6172512
≈ 63.6 cm²