The angles of a triangle are in the ratio 1:3:5. Find the measure of each angle. 

Dear Student,

We are given that the angles of the triangle are in the ratio of 1:3:5.Let the angles be x, 3x and 5x. x + 3x + 5x = 180°                            [Angle sum property of a triangle] 9x = 180° x = 1809 = 20°Thus, x = 20°, 3x = 3 × 20° = 60° and 5x = 5 × 20° = 100° are the measures  of the three angles.

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