Question

If the angles of a triangle are in the ratio 3 : 4 : 5 then the smallest angle is
30 degree
45 degree
60 degree
75 degree

Answer 1

If the angles of a triangle are in the ratio 3 : 4 : 5 then the smallest angle is 45 degree.

Step by step

Let say angle are 3x, 4x & 5x.

3x + 5x + 4x = 180°

12x = 180°

x = 15°

Smallest angle = 3x = 45°

Answer 2

Answer:

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