Question

the angles of triangle are in the ratio 3:4:5 find the measure of each angle 9f a triangle.​

Answer 1

Answer:

refer to the attachment

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let the 1st angle be= 3x

The 2nd angle be = 4x

The 3rd angle be = 5x

The sum of all angles of a triangle = 180°

$3x + 4x + 5x = 180 \\ => 12x = 180 \\ = > x = 180 \div 12 \\ = > x = 15$

Therefore, 1st angle = 3x

= 3 × 15

= 45°

2nd angle = 4 × 15

= 60°

3rd angle = 5 × 15

= 75°

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