Question

If the angles of a quadilateral are in the ratio 5:8:11:12,find the angles

Answer 1

let angles are 5x, 8x, 11x, 12x.
5x+8x+11x+12x=360
36x=360
x=10
angle A =5x =50
angle B = 8x=80
angle C=11x=110
angle D=12x=120.

Answer 2

Hi !!!

Here is your answer,

Given :-
the angles of a quadrilateral are in ratio 5:8:11:12

Let the angles be -
5x, 8x, 11x, 12x

=>5x+8x+11x+12x = 360
=>36x = 360
=>x = 360/36
=>x = 10

All the angles of quadrilateral are
5x = 5*10 = 50°
8x = 8*10 = 80°
11x = 11*10 = 110°
12x = 12*10 = 120°


Check
50°+80°+110°+120° = 360°


Hope it helps.