In the given figure, if the area of one rectangle is 1 sq. cm. is the area of the unshaded region?
A
8 sq. cm
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B
7 sq. cm
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C
9 sq. cm
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Solution
The correct option is A 8 sq. cm In the given figure, we have 7 rectangles that are shaded.
Unshaded rectangles in the given figure is 15 - 7 = 8
Since, area occupied by each rectangle = 1 sq. cm
Therefore, area occupied by 8 rectangles (unshaded region) = 8×1sq.cm = 8 sq. cm