Anonymous Anonymous

30-01-2017
Mathematics

Answered

Find the missing angle measure in ΔQRS.

Q = ___°, R = 61°, S = 29°

A90
B80
C100
D180

Verified Answer :

AbhiGhost AbhiGhost

30-01-2017

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!

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