Question

In a rectangle ABCD, the diagonals intersect
at O. Correct the mistakes in the following
Give reasons angleAOB = 120°, angleABO = 45°, angleOBC = 45°
(ii) AO=6cm,BO=4.5cm,AB=7.5cm
(iii) AB = 8 cm, BC = 6 cm, AC = 5.5 cm
(iv) angleOAB = angleOAD = 50°​
​

Answer 1

Answer:

Given:

In a rectangle ABCD ,the diagonals intersect at O In a rectangle ABCD ,the diagonals intersect at O and

AO=6cm ,BO=4.5cm,AB=7.5cm}AO=6cm ,BO=4.5cm,AB=7.5cm

To find:

The mistakes in the given data

Solution:

Concept used:

⟹OA=OC&OB=OD

⟹OA=OC=6&OB=OD=4.5

=<AC=OA+OC=6+6=12cm

BD=OB+OD=4.5+4.5=9

=Length of BD

But, length of the diagonals should be equal

So it should be OA=OB

Step-by-step explanation:

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Answer 2

Answer:

Physics is the branch of science that deals with the structure of matter and how the fundamental constituents of the universe interact.

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