Question

18.The angles of a triangle are in the ratio 2: 3:4. Find the
angles of the triangle.​

Answer 1

Answer:

40°, 60°, 80°

Step-by-step explanation:

Let the ratio of angles be x.

First angle = 2x

Second angle = 3x

Third angle = 4x

We know, sum of all angles in a triangle = 180°

Therefore,

2x + 3x + 4x = 180°

9x = 180°

x = 20°

First angle = 2x = 40°

Second angle = 3x = 60°

Third angle = 4x = 80°

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Answer 2

Answer:

Let the angles be 2x ,3x and 4x then

2x+3x+4x=180

9x=180

x=180/9=20

2x=2×20=40

3x=3×20=60

4x=4×20=80