Question

Ans THis Please Please​

Answer 1

Answer:

Step-by-step explanation:

 x+ x+x/2+2x = 360

 9x = 2*360

   x = 80

   then, the angle of quadrilateral is 80,80,40 and 160

Answer 2

Answer:

a=72

b=108

c=36

d=144

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Step-by-step explanation:

let the angle of the quadrilateral be x

then

a+b=180

c=a/2

d=2a

c+d=180

a/2+2a=180

a+4a=360

5a=360

a=360/5

a=72

b=180-72

b=108

c=a/2

c=36

d=2a

d=144