Question

the angle of a quadrilateral are in the ratio 3:4:5:6 find the angle

Answer 1

let the ratio be x.
sum of quad. is =360°.
3x+4x+5x+6x=360°.
18x=360°.
x=360/18.
x=20°
myltiplying x value with all the indiviadual ratios ,we get
3*20=60.
4*20=80
5*20=100
6*20=120

Answer 2

Answer:

let the angles be x

sum of interior angles of quadrilaterals=360°

3x+4x+5x+6x=360°

18x=360°

x= 360/18 =20

3x=3×20=60°

4x=4×20=80°

5x=5×20=100°

6x=6×20=120°

: the angles are 60°,80°,100°,120°