A) \[4\text{ c}{{\text{m}}^{2}}-(\text{AB}\times \text{BC)}\]
B) \[(\text{AB}\times \text{BC)}-4\text{ c}{{\text{m}}^{2}}\]
C) \[(\text{AB}\times \text{BC)}+4\text{ c}{{\text{m}}^{2}}\]
D) \[(\text{AB}\times \text{BC)}-8\text{ c}{{\text{m}}^{2}}\]
E) None of these
Correct Answer: B
Solution :
Explanation: Option (b) is correct. Area of rectangle ABCD = \[\text{AB}\times \text{BC}\] Area of unshaded square = \[(2\times 2)\text{ c}{{\text{m}}^{2}}=4\text{ c}{{\text{m}}^{2}}\] Therefore, area of shaded part = area of rectangle ABCD \[-\] area of unshaded square = \[\text{(AB}\times \text{BC)}-4\text{ c}{{\text{m}}^{2}}\]
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