Given a parallelogram ABCD. Complete each statement along with the definition or property used.
(i) OC = ...........
(ii) $m ∠ D A B + m ∠ C D A =$ ..........................
[2 marks]

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Solution

(i) OC = OA [Since diagonals of a parallelogram bisect each other]
[1 mark]

(ii) $m ∠ D A B + m ∠ C D A = 180^{\circ}$ [Adjacent angles in a parallelogram are supplementary]
[1 mark]

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Similar questions

Given a parallelogram ABCD. Complete each statement along with the definition or property used.

(i) AD = …

(ii) ∠DCB = …

(iii) OC = …

(iv) m∠DAB + m∠CDA = …

A B C D

A D =

∠ D C B =

O C =

m ∠ D A B + m ∠ C D A =

(i i) ∠ D C B = \dots \dots \dots

(i v) m ∠ D A B + m ∠ C D A = \dots \dots . .

m ∠ D A B + m ∠ C D A =

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