Question
A sector of a circle with diameter 8 meters has an area of 18 meters squared. What is the central angle of that sector?
Answers
R_scott
[18 / (π r^2)] * 360º
oobleck
1/2 r^2 θ = area
1/2 * 16 θ = 18
θ = 9/4
1/2 * 16 θ = 18
θ = 9/4