Question

The angle in ratio of 1:3:5.Find the member

Answer 1

The sum of the angles in a triangle =180
=x+3x+5x=180
=9x=180
=x=20

The first angle x=20
The 2nd angle 3x=3(20)=60
The 3rd angle 5x=5(20)=100

Answer 2

given ratio = 1:3:5
Let the angles of the triangle be x, 3x and 5x.
Sum of angles of the triangle = 180
Therefore,
=> x + 3x + 5x = 180
=> 9x = 180
=> x = 20

Ist angle = 20°
IInd angle = 20 × 3 = 60°
IIIrd angle = 20 × 5 = 100°

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