Question

Q.11 If three angles of a triangle are in the ratio 2: 3: 4. Find all its three angles ?​

Answer 1

Answer:

40°, 60° and 80°.

Step-by-step explanation:

we know that sum of all the angles of a triangle is 180° given the ratio of the angles of triangle is

2 : 3 : 4 therefore the angles will be 2x 3x and 4x

=> 2x + 3x + 4x = 180°

=> 9x = 180°

=> x = 20°

therefore the angles are

2x = 2 × 20° = 40°

3x = 3 × 20° = 60°

4x = 4 × 20° = 80°

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