Ask Question
8 July, 12:30

In a circle, a 90° sector has area 16π ft2. What is the radius of the circle?

Options:

a. 16 ft

b. 4 ft

c. 12 ft

d. 8 ft

+4
Answers (2)
  1. 8 July, 13:52
    0
    D is the final answer
  2. 8 July, 14:56
    0
    Sector area = 0.5 * r^2 * angle (in radians)

    so:

    16 pi = 0.5 * r^2 * (90*pi/180)

    r^2 = 16 pi / (0.25 pi) = 64

    r = 8

    therefore it would be d
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “In a circle, a 90° sector has area 16π ft2. What is the radius of the circle? Options: a. 16 ft b. 4 ft c. 12 ft d. 8 ft ...” 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