plzzzz tell this question
I will mark the brainliest
please...........
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Answer:
100 °
Step-by-step explanation:
total of all 4 angles is 360
so Q+R = 360-150-50 = 160
sum of half of Q and half of R = 160/2 = 80
total of angles of a triangle is 180 , so QTR = 180-80 = 100
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