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Year

CAT 2021

Section

Quantitative

Topic

Geometry & Mensuration

Difficulty

Medium

Question

Slot-3

Let ABCD be a parallelogram. The lengths of the side AD and the diagonal AC are 10 cm and 20 cm, respectively. If the angle ∠ADC is equal to 30° then the area of the parallelogram, in sq. cm, is

25(3+15)2\frac{25(\sqrt{3}+\sqrt{15})}{2}

25(5+15)25(\sqrt{5}+\sqrt{15})

25(5+15)2\frac{25(\sqrt{5}+\sqrt{15})}{2}

25(3+15)25(\sqrt{3}+\sqrt{15})

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