Math, asked by charvikreddy8100, 3 months ago

From the figure, a+b=

A.60°
B.75°
C.90°
D.85°

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Answers

Answered by usharawat22494

0

2a + b +60° = 180° ( sum of three angles of a triangle)

2a + b = 180-60

2a + b = 120

a+b = 120/2

a+b= 60°

option A is correct

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