Question

10.In the given figure, OC and OD are bisectors of angle C and angle D, respectively. if angle A= 115°,find angle B.
please do it fast it is very urgent
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Answer 1

Answer:

angle B= 85

Explanation:

of is the bisector of angle D so it divides into 2 equal part.

: 35 +35 = D

: D = 70

similarly,

C = 90

sum of a quadrilateral is 360

A + B + C+D= 360

115 +B +90+70= 360

275+B =360

B =360-275

B = 85