Question

9. The angles of a triangle are in the ratio 2:3: 4. The largest angle of the triangle is * * 12° 100° 80° 60°​

Answer 1

Answer:

Angle 4x

Step-by-step explanation:

Let the angles be 2x,3x and 4x. Then,

2x+3x+4x= 180°

=> 9x= 180°

=> x= 20°.

2x= 2×20°= 40°.

3x=3×20°=60°.

4x= 4×20°= 80°.

Hence 4x is the largest angle of the triangle.

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Answer 2

Answer:

if the angles of a triangle are in the ratio 2 : 3 : 4, find the angles. - Mathematics

First angle = 180 ° × 2 9 = 40°

Second angle = 180 ° × 3 9 = 60°

Third angle = 180 ° × 4 9 = 80° ∴ Angles are 40°, 60° and 80°.

Step-by-step explanation: