Question

If the angles of the triangle are in the ratio 1:3:5, find the smallest angle.​

Answer 1

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$\boxed{\fcolorbox{red}{red}{Simple}}$

x+3x+5x=180°

9x=180°

x=180/9°

x=20°

Angle1=20°

Angle 2=2×20°=60°

$\boxed{\fcolorbox{red}{pink}{Angle 3=5×20°=100°</p><p>}}$

Answer 2

Answer:

x + 3x + 5x = 180 degree

9x = 180 degree

x = 180 / 9

x = 20

x = 1 x 20 = 20 degrees

3x = 3 x 20 = 60 degrees

5x = 5 x 20 = 100 degrees

So the smallest angle is angle 1 or 20 degrees

Hope it helps you dear