## Basic College Mathematics (9th Edition)

Circumference: 47.1 cm Area: 176.63 cm$^{2}$
Circumference of a Circle: $C$ = $\pi$$d Therefore: C = (3.14)(15 cm) C = 47.1 cm Area of a Circle: A = \pi$$d$$^{2}$/4 Therefore: $A$ = (3.14)(15 cm$^{2}$)/4 $A$ = 176.63 cm$^{2}$