The values of three angles at a point are 3y - 45o, y + 25o...

The values of three angles at a point are 3y – 45^o, y + 25^o and y^o . Find the value of y.

(3y – 450 + (y + 25) + t = 360^o(angles at a point)
3y – 45 + y + 25 + y = 360
5y = 360 + 20
5y = 380
y = (frac{380}{5})
= 76^o

The values of three angles at a point are 3y – 45o, y + 25o…