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Answer:
One angle of a triangle is 60 degree the other two angles are in ratio 5:7. The two angles are 50° and 70°.
Stepwise explanation is given below:
- Measure of one of the angle of a triangle = 60°.
- Other two angles are in the ratio 5:7
- Let the other two angles be 5x and 7x.
- So, we know the sum of the angles of a triangle is 180°.
then, 5x+7x+60° = 180°
12x+60° = 180°
12x = 180° - 60°
12x = 120°
x = 120/12
x = 10°
so, the measure of other two angles will found by putting the value x = 10 is :-
=5x = 5*10 = 50°
And, 7x = 7*10 = 70°