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R N Q 45 45 9. ZQZR is a straight angle. What is the measure of OZS? ABCDE A. 45 B. C. D. S E. 60° 90° 125° 135°

how to solve this?​

R N Q 45 45 9 ZQZR is a straight angle What is the measure of OZS ABCDE A 45 B C D S E 60 90 125 135how to solve this class=

Respuesta :

Answer:

E

Step-by-step explanation:

the angles lying on the straight angle QZR , sum to 180° , then

∠ RZS + ∠ QZS = 180° , that is

45° + ∠ QZS = 180° ( subtract 45° from both sides )

∠ QZS = 135°

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