Question

(3+3+4)
sestion 3
a. The angles of a quadrilateral are (5x)º.(3x + 10),(6x - 20) and (x + 25)'. Find
i. the value of x​

Answer 1

Answer:

25

Step-by-step explanation:

Angles of a quadilateral sum up to 360.

5x+(3x+10)+(6x-20)+(x+25)=360

15x+15=360

x+1=24

x=25