Question

The angle of a triangle are in the ratio of 2:3:4.​

Answer 1

Answer:

1st Angle=40 2nd Angle=60 3rd Angle=80

Step-by-step explanation:

2+3+4=9

180/9=20

1st Angle=2*20=40

2nd Angle=3*20=60

3rd Angle=4*20=80

Answer 2

Step-by-step explanation:

$let \: angle \: ∠a = 2x \\ ∠b = 3x\\ ∠c = 4x \\ in \: Δabc \\ ∠a + ∠b + ∠c = 180° \\ = > 2x + 3x + 4x = 180° \\ 9x = 180° \\ x = \frac{180°}{9} = 20° \\ ∴ ∠a = 2x = 2 \times 20 = 40° \\ ∠b = 3x = 3 \times 20 = 60° \\ ∠c = 4x = 4 \times 20 = 80°$

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