Question

What is the measure of JK?
A. 35
B. 55°
C. 145°
D. 125°​

Answer 1

125 degrees.

Explanation:

L is the midpoint of NK so the arcs NM and Mk are equal.

So MK = 55 degrees and the arcs JN and JK are equal

Therefore

JK =

(360 - 2*55)/2

= (360 - 110) / 2

= 250 /2

= 125 degrees.