Question

In the adjoining figure ABCD is a rectangle, diagonals intersect at O. If ∠OAB = 30°. Find: i. ∠ACB
ii. ∠ABO iii. ∠COD
iv. ∠BOC





EXPLAINATION TOO PLEASE.





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Answer 1

Answer:

The ans is 60 degree

Step-by-step explanation:

Since it is a rectangle,all the angles are of 90 degree so ∠ABC=90 degree

so here we have two angles 30 and 90 degree

So,the  ∠ACB=180-(30+90)  (By applying angle sum prop. of triangle)

                      =60degree