Question

If the angles of a triangles are in a ratio 1:4:5 fimd the angles

Answer 1

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In ∆ ABC

Given :-

A = 1x

B = 4x

C = 5x

Solution :-

A + B + C = 180°

1x + 4x + 5x = 180°

10x = 180°

x = 18°

To find the angles :-

A = 1×18 = 18°

B = 4×18 = 72°

C = 5×18 = 90°