Measuring Circles: End-of-Unit Assessment (B)
1. A circle has radius 40 cm. Which of these is closest to its area?
A. 10,053 cm2
B. 5,026 cm?
C. 251 cm2
D. 126 cm?

Respuesta :

A = pi•r^2
A = pi(40)^2
A = 1600pi
A = 5026.5482457

Choice B