Question 125

The angles of a triangle are in the ratio 2 : 3 : 7. The measure of the smallest angle is

Solution

Let the angles of triangle be 2y 3y 7y

as we know that summation of angles of a triangle is = 180 degree

so 2y+3y+7y = 180

y = 15

so smallest angle = 2x15 = 30 degree

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