Question

OR
If angles A, B, C and D of the quadrilateral ABCD, taken in order are in the ratio 3:7:6:4 then
find all the angles,
SECTION-C​

Answer 1

Answer:

Given, ratio of angles of quadrilateral ABCD is 3 : 7 : 6 : 4.

Let angles of quadrilateral ABCD be 3x, 7x, 6x and 4x, respectively. We know that, sum of all angles of a quadrilateral is 360°.

3x + 7x + 6x + 4x = 360°

=> 20x = 360°

=> x=360°/20° = 18°

Answer 2

Answer:

Let the angles be 3x,7x,6x and 4x.

Sum of all angles of quadrilateral =360 degree

3x+7x+6x+4x=360

20x=360

x=18 degree

Hence,

A=54

B=126

C=108

D=72