Question

The angle of a triangle are in the ratio 5 ratio 3 ratio 7 so that the triangle is acute angled triangle

Answer 1

Step-by-step explanation:

let 3 sides be 5x,3x and 7x

3x+5x+7x=15x

asp of ∆= 180°

15x=180°

x=180/15

x= 12

angles are =a. 5x=5*12=60°

b. 7x=7*12=84°

c. 4x=3*12=36°

Answer 2

Answer:

5x:3x:7x=180°

15x=180°

x=180/15

x=12

5 (12) =60°

3 (12) =36°

7 (12) =84°

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