Question

a. In AABC, if ZA = 70°, ZB = 65°, find the measure of ZC.

Answer 1

Answer:

43°

by angle sum property of triangle we can say,

a+b+c=180°

72+65+c=180°

C=180-137

C=43°

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Answer 2

Step-by-step explanation:

IN ∆ ABC

ZA = 70°

ZB = 65°

ZC= ?

ZA+ZB + ZC = 180°

or, 70°+65° + ZC = 180°

or, 135° + ZC = 180°

or, ZC = 180° - 135°

hence ,. ZC = 45°