Question

If two angles of a triangle are 60 and 70, find the third one

Answer 1

Answer:

180-60+70=180-130

THIRD ANGLE =50°

Answer 2

Answer:

sum of all angles of the traingle = 180

a = 60

b = 70

c = ??

a+ b + c = 180

60+ 70 + c = 180

130+ c= 180

c = 180-130

c = 50

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