Question

if angles of a quadilateral arex degree x-20degree x-30 degree and x+10degree
find x​

Answer 1

Answer:

x = 100 degrees

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Step-by-step explanation:

Answer 2

Answer:-  

so the total angle of quadrilateral is 360 degrees:

given:-

x+(x-20)+(x+10)+(x-30)=360 degrees

4x-40=360 degrees

4x= (360+40) degrees

4x= 400 degrees

x= 400/4

x=100 degrees