Sagot :
Problem:
A circle with center O and radius 5 in. Which of the following gives the best estimate for the circumference of the circle?
a. 22 in
b. 32 in
c. 42 in
d. 52 in
Solution:
C = 2πr
C = 2π(5)
C = 31.4159 or 32 in
a. 22 in
c. 42 in
d. 52 in
C = 2πr
C = 2π(5)
C = 31.4159 or 32 in