A) \[600\text{ }{{\text{m}}^{2}}\]
B) \[400\text{ }{{\text{m}}^{2}}\]
C) \[450\text{ }{{\text{m}}^{2}}\]
D) \[300\text{ }{{\text{m}}^{2}}\]
E) None of these
Correct Answer: D
Solution :
Explanation: Option (d) is correct. Area of rectangle = \[\text{length}\times \text{breadth}\] = \[\text{(30}\times 20\text{) }{{\text{m}}^{2}}=\text{ }600\text{ }{{\text{m}}^{2}}\] Area of unshaded triangle = \[\text{3}00\text{ }{{\text{m}}^{2}}\] Therefore, the required area = \[\text{(600}-300\text{) }{{\text{m}}^{2}}=\text{3}00\text{ }{{\text{m}}^{2}}\]
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