Question

Which equation represents the problem? The circumference of a circle equals the product of two, pi, and the radius. Use C for circumference, 3.14 for pi, and r for the radius.

Answer 1

C=2*3.14*r

Answer 2

Thanks. Here is another one.
Drew is making a cardboard cut out of a right triangle. He knows that the longest side must be 15 inches long. One of the short sides must be 8 inches. How many inches long will he make the other side?

Answer 3

apply pathagorous therom

Answer 4

15^2=225 8^2=64 2x

Answer 5

Right?