Question

Quadrilateral ABCD is cyclic .If angle B = (5x-4)° and angle D = (4x-5)° . Then measure of B =?​

Answer 1

ANSWER:

101

EXPLANATION:

ABCD IS CYCLIC QUAD

THEREFORE

angle B + angle D = 180

5x-4 + 4x -5. = 180

9x-9 =180

x-1 =20

x=21

angle B = 5(21) - 4

= 105 -4

= 101

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