Question

2) Three angles of a triangle are in ratio 2:3:4. Find all angles of the triangle.
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Answer 1

Answer:

Sum of angles of triangle = 180°

let the angles be 2x , 3x , 4x

2x + 3x + 4x = 180

9x = 180

x = 180÷9

x = 20

All angles of triangle are :

2x = 2 × 20

=40

3x = 3 × 20

=60

4x = 4 × 20

=80

the angles are 40° , 60° , 80°

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