Question

What is the length of arc QR?
A. 1/3 π
B. 10/3 π
C. 5/3 π
D. 20/3 π

Answer 1

D, 20/3 π

Explanation:

10x2=20cm (the diameter)

20xπ = the circumference

120 = 1/3 of 360

20π x 1/3 = 20π/3 or 20/3π

Answer 2

D. 20/3 I think it’s the answe