Question

4. Find the measure of each angle of the quadrilateral.
D
2x+ 10
C
3x 20
2x
3x+20
A
B​

Answer 1

Step-by-step explanation:

As we know,the sum of all angles of quadrilateral is 360°.

According to question,

2x+10+3x+20+2x+3x+20=360°

10x+50=360°

10x=360°-50°

x=310°÷10

=31°

Angle 1: 2×31+10=72°

2: 3×31+20=123°

3: 2×31=62°

4:3×31+20=123°

Hope it will help you.