Question

find the angle of a triangle which are in the ratio 4: 3: 2​

Answer 1

Answer:

4x + 3x + 2x = 180° [ANGLE SUM PROPERTY]

9x = 180°

x= 180° / 9

∴ x = 20

4 × 20 = 80°

3 × 20 = 60°

2 × 20 = 40°

80 + 60 + 40 = 180°

∴ The angles are 80° , 60° , 40°

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Answer 2

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the sum of angle of triangle is 180⁰.

so ATQ,

4x+3x+2x =180

$9x = 180 \\ x = \frac{180}{9}$

$x = 20$

Now , put the value of x .

$4x = 4 \times 20 \\ = 80$

$3x = 3 \times 20 \\ = 60$

$2x = 2 \times 20 \\ 40$

Hence, the angle of triangle 80,60,40.

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