Question

answer now it's necessary questions of maths​

Answer 1

Answer:

x= 40

i hope it will help you

Answer 2

Answer:

it is a cyclic quadrilateral because if the quadrilateral is inside a circle and there is a theorem which states that sum of opposite sides of a cyclic quadrilateral is 180 degree therefore 40+x = 180

x= 180-40=140°

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