CATGeometry > Medium2π15\frac{2\pi}{15}152π3π25\frac{3\pi}{25}253π6π25\frac{6\pi}{25}256π5π18\frac{5\pi}{18}185π✅ Correct Option: 3Related questions:CAT 2020 Slot 3In a trapezium ABCD,AB\mathrm{ABCD}, \mathrm{AB}ABCD,AB is parallel to DC,BC\mathrm{DC}, \mathrm{BC}DC,BC is perpendicular to DC and ∠BAD=45∘\angle \mathrm{BAD}=45^{\circ}∠BAD=45∘. If DC=5 cm,BC=4 cm\mathrm{DC}=5 \mathrm{~cm}, \mathrm{BC}=4 \mathrm{~cm}DC=5 cm,BC=4 cm, the area of the trapezium in sq cm isCAT 2021 Slot 3Let ABCDABCDABCD be a parallelogram. The lengths of the side ADADAD and the diagonal ACACAC a 101010 cm and 202020 cm, respectively. If the angle ∠ADC\angle ADC∠ADC is equal to 30∘30^\circ30∘ then the area of the parallelogram, in sq. cm, isCAT 2018 Slot 2The area of a rectangle and the square of its perimeter are in the ratio 1:251:251:25. Then the lengths of the shorter and longer sides of the rectangle are in the ratio