one angle of a triangle is 60°. The other two Angles are in the ratio of 5:7 find the two Angles
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2
Answer:
50 degrees and 70 degrees
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1049
GIVEN :–
- One angle of a triangle = 60°
- The other 2 angles are in ratio = 5:7
TO FIND :–
- The other 2 angles given in ratio
SOLUTION :–
Let the other two angles be 5x and 7x respectively.
- We know that the sum of the 3 angles of a triangle are 180°
By The Problem
→ 60 + 5x + 7x = 180
→ 60 + 12x = 180
→ 12x = 180 – 60
→ x = 120/12
→ x = 10
____________________________
- The two other angles of the triangle = 5x = 5 × 10 = 50 and = 7x = 7 × 10 = 70
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