A) \[5\,{{m}^{2}}\]
B) \[6\,{{m}^{2}}\]
C) \[7\,{{m}^{2}}\]
D) \[8\,{{m}^{2}}\]
Correct Answer: B
Solution :
(b ) Area of shaded portion = Area of reel. ABCG + Area of reel. GDEF \[=(3\times 1)+(3-2)\,(4-1)\] \[=3+1\times 3=3+3=6{{m}^{2}}\]
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