Find the missing angle measure in ΔQRS. Q = ___°, R = 61°, S = 29° A. 90 B. 80 C. 100 D. 180

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asked Nov 12, 2018 89.2k views

1 Answer

PhotonTamer · Answer 1 · 2018-11-17T09:34:27+0000

Sum of all the angles in a triangle is 180°.
Therefore in ΔQRS,
R + S +Q = 180°
61° + 29° + Q = 180°
Q = 180 - 61 -29
Q = 90°
Hence option A is correct.
Hope this helps, have a nice day!

Find the missing angle measure in ΔQRS. Q = ___°, R = 61°, S = 29° A. 90 B. 80 C. 100 D. 180

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