Question

1.
Three angles of a triangle are in the ratio of 3: 4:5.
Find the measurement of greatest angle.​

Answer 1

Answer:

45;60;75

Step-by-step explanation:

3x+4x+5x=180

12x=180

x=180/12

x=15

Angel's=45,60,75

Answer 2

Answer:

let the no. be x

3x+4x+5x = 180°

12x = 180°

x = 180°/12

x = 15°

3x = 3×15° = 45°

4x = 4×15° = 60°

5x = 5×15° = 75°

The Greatest angle is 75°

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