Question

2 points
CABCD is cyclic . ZB = (2x-
11), _C=(7x+2). Find the
measure of B?​

Answer 1

in cyclic quadrilateral , sum of opposite angle are 180

angle B+C=180

2x-11+7x+2=180

9x-9=180

9x =180+9

x =189/9

x =21

angle B =2X-11

2×21-11

42-11

31

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