Question

the angle of a triangal are in ratio 2:3:4.fibd all the angle of the triangle.​

Answer 1

answer:-

let angles be 2y,3y,4y

sum of angles of triangle =180°

2y+3y+4y=180°

9y=180°

y=20°

angles are :-

2×20=40°

3×20=60°

4×20=80°

@ananyaR☺

Answer 2

Let the first angle = 2x = A

Let the second angle = 3x = B

Let the third angle = 4x = C

Angle A + Angle B + Angle C = 180°
[Angle sum property of Triangle ]

2x + 3x + 4x = 180°

9x = 180°

x = 180/9

x = 20

The first angle = A = 2x = 2(20) = 40°

The second angle = B = 3x = 3(20) = 60°

The third angle = C = 4x = 4(20) = 80°

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