Math, asked by anandanand2232, 10 months ago

Diagonal AC and BD of a parallelogram ABCD intersect at O if BOC is equal to 90 degree and BDC is equal to 50 degree find OAB

Answers

Answered by funmanbuild
16

Step-by-step explanation:

ABCD is a //gm

Since, AB//CD

angle BDC=angle ABD

Angle ABD=50°

Then,

angle BOC+angleAOB=180°

=)90°+angle AOB=180°

=)angleAOB=90°

Now,

In triangle AOB,

=)50°+90°+angle OAB=180°

=)angle OAB=180°-140°

Hence, angle OAB=40°

Hope it helps u.

Read more on Brainly.in - https://brainly.in/question/2120430#readmore

Answered by Wsakshi21
2
Oab = 40 degree
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