Question

The diagonals of the rectangle ABCD intersect at O. If ∠COD = 78°, then ∠OAB is:

a) 35o

b) 51o

c) 70o

d) 110o

i hope i will get this answer quickly pls help me to understand thus question correctly pls give me correct explanation ​

Answer 1

Answer:

51 degree is the correct answer

angle AOB=angleCOD

and

angel A+angel O+ angel But=180degree

78+x+x=180

2x=180-78

2x=102

x=51 degree

hence, angle AOB measure 51 degree

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Answer 2

Answer:

ans 51° dreege

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