Question

The angles of a triangle are in the ratio 7: 2 : 1. Find the measure of each of the angles

Answer 1

Answer:

answer is 126,36,and18

Step-by-step explanation:

Since the ratio of the angles is 7:2:1, we can write the angles as 7x, 2x, and x, for some x. Since the sum of the angles in a triangles is 180, we have 7x + 2x + x = 180. Combining the x's on the left-hand side, we have 10x = 180. Finally, dividing by 10 gives x = 18. Since the angles are 7x, 2x, and x, substituting 18 for x gives us 7*(18), 2*(18), and 18. Thus, the angles are 126, 36, and 18.

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Answer 2

Step-by-step explanation:

7x+2x+1x = 180

10x = 180

x = 18

7(18) = 126

2(18) = 36

1(18) = 18

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