The area of a circle is 16π cm2. What is the circle's circumference?

A.2 π cm
B.16 π cm
C.4 π cm
D.8 π cm

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain