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Sergeeva-Olga [200]
3 years ago
6

Two angles in a triangle have measures of 20' and 50'

Mathematics
1 answer:
pav-90 [236]3 years ago
6 0

Answer:

The sum of all angles (3 angle)= 180

unknown angle = x

x +20+50 =180

x +70 =180

x = 180-70

x=110

Ans ; the third angle is 110 degree

Step-by-step explanation:

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