Question

In circle J with the measure of arc arc, H, K, equals, 90, degrees
HK
⌢
​
=90
∘
, find m, angle, H, J, Km∠HJK.
H
K
J
Answer
Attempt 1 out of 2

Answer 1

Since J is the center, ∠HJK is a central angle intercepting arc HK. A central angle measures the same as its intercepted arc, so m∠HJK = 90°.