Consider a quadrilateral ABCD with AC=12 cm and BD=10 cm with the following characteristics: (i) Opposite angles are equal and parallel. (ii) All sides are equal. (iii) Diagonals bisect each other at right angles. What is the area of ABCD?
A
30 cm2
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B
45 cm2
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C
60 cm2
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D
120 cm2
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Solution
The correct option is C60 cm2 From the given conditions, it is clear that the given quadrilateral is a rhombus. Area of a rhombus=12× product of diagonals ⟹Area of ABCD=12×AC×BD =12×12×10 =60 cm2