Question

If the three angles at a point is the ratio 1 : 4 : 7 ,find the vaule of each angle.​

Answer 1

Answer:

let the three angles of the triangle be, x,4x,&7x

applying angle sum property of triangle

x+4x+7x=180

12x=180

x=180÷12

x=15

thus x=15

4x=60&7x=105