CATGeometry > Mediumπ/3\pi/3π/31111/21/\sqrt{2}1/22\sqrt{2}2✅ Correct Option: 2Related questions:CAT 2018 Slot 2From a rectangle ABCDABCDABCD of area 768 sq cm768 \text{ sq cm}768 sq cm, a semicircular part with diameter ABABAB and area 72π sq cm72\pi \text{ sq cm}72π sq cm is removed. The perimeter of the leftover portion, in cm, isCAT 2019 Slot 1In a circle of radius 111111 cm, CDCDCD is a diameter and ABABAB is a chord of length 20.520.520.5 cm. If ABABAB and CDCDCD intersect at a point EEE inside the circle and CECECE has length 777 cm, then the difference of the lengths of BEBEBE and AEAEAE, in cm, isCAT 2020 Slot 2Let C1C1C1 and C2C2C2 be concentric circles such that the diameter of C1C1C1 is 2 cm2 \mathrm{~cm}2 cm longer than that of C2C2C2. If a chord of C1C1C1 has length 6 cm6 \mathrm{~cm}6 cm and is a tangent of C2C2C2, then the diameter, in cm, of C1C1C1 is