Question

Find the circumference a circle with the diameter AB

A (-8,4) and B (4,-1)

Answer 1

C = 13π ≈ 40.82 units

Explanation:

C = 2 r π = d π

AB =
`√((-8-4)^2 +(4+1)^2)` = 13 units

C = 13π ≈ 40.82 units ( π ≈ 3.14 )