Question

I’m having troubles with this one.

Answer 1

239 degrees.

Arc is circumference so length = r * 4.17133691221

Explanation:

We eliminate RSQ in degrees = 90 + 31 = 121

So that;

RPQ = 360 -121 = 239 degrees

2pi radius (239/360) = r6.28318530718 (0.66388888888)

= r * 4.17133691221