The three angles of a triangle are (2a+20)°, (3a+20)° and (a+20)°. The value of a is

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The three angles of a triangle are (2a+20)°, (3a+20)° and (a+20)°. The value of a is

E

Editor

Sep 18, 2022

The three angles of a triangle are (2a+20)°, (3a+20)° and (a+20)°. The value of a is

Difficulty: Easy

A:

10

B:

80

C:

20

D:

30

ID: 63273db5ca83163ac3a0a617