Question

16. One angle of a triangle is 60" The other two angles are in the ratio of 5: 7. Find the two angles.​

Answer 1

Answer:

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Answer 2

Answer:

1st angle = 50° and 2nd angle is 70°.

Step-by-step explanation:

let the angles be x.

sum angle property of triangle is 180°.

therefore, 5x + 7x +60= 180.

12x+60=180.

12x=180-60

12x= 120.

So, x= 120/20

x=10.

5x=5×10= 50°

7x= 7×10=70.