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Question

The area of the ∆OPQ with O(0, 0), P(1, 0) and Q(0, 1) is
(a) 1 sq unit
(b) 12sq unit
(c) 14 sq unit
(d) 2 sq units

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Solution



(b) ½​ sq unit
Explanation:
On plotting the points on a graph paper, we get ∆OPQ as a right angle triangle, where OP = base = 1 units and OQ = 1 units
∴ Area of (∆OPQ) = ½ × OP × OQ = ½ × 1 × 1 = ½ sq unit

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