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In the Below Fig, Abcd and Pqrc Are Rectangles and Q is the Mid-point of Prove that I) Dp = Pc (Ii) Pr = `1/2` Ac

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Question

In the below Fig, ABCD and PQRC are rectangles and Q is the mid-point of Prove thaT

i) DP = PC (ii) PR = `1/2` AC

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Solution

(i)In DADC, Q is the midpoint of AC such that

PQ || AD

∴ P is the midpoint of DC

⇒ DP = DC        [Using converse of midpoint theorem]

(ii)Similarly, R is the midpoint of BC

∴ PR = `1/2` BD   [Diagonal of rectangle are equal \BD = AC ]

PR = `1/2` AC       

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Chapter 13: Quadrilaterals - Exercise 13.4 [Page 64]

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R.D. Sharma Mathematics [English] Class 9
Chapter 13 Quadrilaterals
Exercise 13.4 | Q 18 | Page 64

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