Question

5. In the given figure, AB = DC and angle ABC = angle DCB. Prove that
(a) ∆ABC = ∆DBC
(b) angleA = angle D
(c) ∆AOB=∆DOC
(d) ∆OBC is isosceles.
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Answer 1

Answer :

(b)

Explanation:

I think soo

Answer 2

Explanation:

ANSWER

△ABC and △DCB both are right angled triangle.

⇒ Both triangle have common hypotenuse.

⇒ In △ABC and △DCB

⇒ AC=DB [Given]

⇒ BC=CB [Common side]

∴ △ABC≅△DCB [By RHS property]

⇒ RHS property does not present in option