A circular picture is 8 inches in diameter. What is the area of the picture in square inches? A. 4 π square inches B. 8 π square inches C. 16 π square inches D. 32 π square inches

Respuesta :

Circle Area (Ac) =
[tex]\pi \times {r}^{2} [/tex]
r = radius = Diameter/2 = 8/2 = 4 inches

[tex]Ac = \pi \times {4}^{2} \\ Ac = 16\pi \: {in}^{2} [/tex]
Answer: C, 16 pi square inches.