Question

What is the measure of JK?

Answer 1

The measure of the angle formed by 2 chords that intersect inside the circle is 1/2 the sum of the chords' intercepted arcs ⇒

45 + JK = 37×2
45 + JK = 74
JK = 74 - 45
JK = 29°

Answer 2

JK = 2(37) - 45
JK = 74 - 45
JK = 29

answer
C. 29