Question 25

If the angles of a triangle are in the ratio of 2:3:7, then find the ratio of the greatest angle to the smallest angle.

Solution

Let the angles be 2x, 3x, 7x

2x+3x+7x=180.(sum of angles of triangle.is 180°)
x=15
so ,largest angle is 105°

Small angle=30

Ratio=30:105

=2:7

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