In the given figure, all line segments of the shaded portion are of length and at right angles to each other. Find the area of unshaded portion

In the given figure, all line segments of the shaded portion are of le

1.	In the given figure, all line segments of the shaded portion are of length and at right angles to each other. Find the area of unshaded portion
A.	\[225c{{m}^{2}}\]
B.	\[189c{{m}^{2}}\]
C.	\[216\text{ }c{{m}^{2}}\]
D.	\[289\text{ }c{{m}^{2}}\]
Answer» D. \[289\text{ }c{{m}^{2}}\]

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In the given figure, all line segments of the shaded portion are of length and at right angles to each other. Find the area of unshaded portion

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