The area of circle Z is 64 ft2.

What is the value of r?

r = 4 ft
r = 8 ft
r = 16 ft
r = 32 ft

r=4.51 ft

Step-by-step explanation:

Area of a circle is given by

where A is area and r is the radius. Making r the subject of the above formula then

Substituting A with 64 then

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol