Ask Question
5 March, 00:49

Find the radius of a circle in which the central angle of (pie / 4) radian determines a sector with an area of 86m^2

A-14.80m

B-20.92m

C-68.44 m

D - 10.46m

+3
Answers (1)
  1. 5 March, 04:07
    0
    Area of sector = 1/2 * r^2 * x where r = radius and x = angle in radians

    86 = 1/2 * r^2 * pi/4

    r^2 = 2 * 86 * 4 / pi = 219

    r = sqrt 219

    = 14.80
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Find the radius of a circle in which the central angle of (pie / 4) radian determines a sector with an area of 86m^2 A-14.80m B-20.92m ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers