Question

Find the angles of a triangle which are in the ratio 3: 4:5.​

Answer 1

Step-by-step explanation:

Let in tri. ABC

A = 3x

B = 4x

C = 5x

A + B + C = 180

3x + 4x + 5x = 180

12x = 180

x = 15°

A = 45°

B = 60°

C = 75°

Answer 2

Answer:

45⁰, 60⁰, 75⁰

Step-by-step explanation:

3+4+5=12

12x=180⁰

x=180⁰÷12=15⁰

Now ATQ,

15×3=45⁰

15×4=60⁰

15×5=75⁰

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