SOLUTION: A diameter of a circle has endpoints at (-4, -2) and (3, 2). Which is closest to the circumference of this circle? a. 26.69 cm b. 25.12 cm c. 12.56 cm d. 6.28 cm

Algebra ->  Circles -> SOLUTION: A diameter of a circle has endpoints at (-4, -2) and (3, 2). Which is closest to the circumference of this circle? a. 26.69 cm b. 25.12 cm c. 12.56 cm d. 6.28 cm      Log On


   



Question 901021: A diameter of a circle has endpoints at (-4, -2) and (3, 2). Which is closest to the circumference of this circle?
a. 26.69 cm
b. 25.12 cm
c. 12.56 cm
d. 6.28 cm

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(-4, -2) and
(3, 2). D = sqrt+%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29%29 = sqrt%2849+%2B+16%29 = 8.06
C = pi%2Ad+=+3.14%2A8.06 = 25.3