volume_mute

Refer to the figure below. Find the measure of each angle

publish date: 2023/05/19 08:40:00 GMT+10

volume_mute

$find_angles.jpg$

(1) 70

(2) 65

(3) 65

(4) 45

∠NYZ and ∠1 are vertical angles, then m(∠1) = 70^o
m(∠NYZ)+ m(∠ZYO)+ m(∠OYM) = 180^o, then m(∠NYZ) = 180^o - 70^o - 45^o = 65^o
∠MYX and ∠NYZ are vertical angles, then m(∠MYX) = 65^o
∠2 and ∠MYO are vertical angles, then m(∠2) = 45^o

Mathematics for college students