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The diagonals of parallelogram ABCD meet at O, and AC = 2 $x$ BD.
If OB = 7 cm, find the length of OA (in cm).

Class 8Properties of ParallelogramsQuadrilaterals

A28
B13
C15
D14

Step-by-Step Solution

Diagonals bisect each other: BD = 2

x

OB = 14 cm. Given

A C = 2 x

BD = 28 cm. OA =

\frac{A C}{2} = 14

cm.

Answer: D) 14

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