Answer:
15.7
Step-by-step explanation:
The equation for finding the circumference of a circle is
2 x pi x r(radius). Radius is half the diameter.
5/2=2.5
2 x 3.14 x 2.5
=15.7
2^2 = 4
just think 2 written out TWO times (hence the SECOND power).
Then, it would be: 75*3*4 = $900
Answer:
she need 16 purple yard to use for blanket