Mohan lives in Hyderabad in Telengana. Those were very hot days of May. He thought that if we human beings need so much water to drink, wont the birds also be thirsty. He decided to prepare a vessel to provide water for birds. He found a flexible blue coloured plastic rectangular sheet 41cm x 15cm. He rolled it along its length and joined the opposite ends using a tape. He wanted to have a circular base for this cylinder and searched for another cylinder. He found a square sheet 15cm x 15cm. He cut a circular sheet just equal to the base of the cylinder from it.Now answer the following questions:a) The curved surface area of the cylinder formed is:i. 540 cm2ii. 560 cm2iii. 640 cm2iv. 660 cm2b) The radius of the base of the cylinder is:i. 2 cmii. 3.5 cmiii. 7 cmiv. 10 cm c) The radius of the circular base required for cylinder isi. 154 cmii. 216 cmiii. 260 cmiv. 308 cmd) How much will be the area of square sheet left unused after removing the circular base of the cylinder from it?i. 69 cm2ii. 71 cm2iii. 83 cm2iv. 91 cm2​I need step by step answer in appropriate answer will be reported.​