Question

Chords and Arcs - Guided Practice

Dents
#2 - The radius of ON is 18, NK = 9, and mpe - 120. Find each measure.
N
X
E
D
Н
Type in your answer for each measure in each box. (DO NOT include any symbols or letters.)
A: MCE =
B. mZHEN = 30
C. mZHNE =
units
D: HN = 9
9
N
ch

Answer 1

Explanation:

A) 120 / 2 = 60°

B) 180 - 90 60 = 30°

C) 60° same as arc length GE in part A above

D) 9 units = Rsinθ = 18sin30