29. Shalini has to cut out circles of diameter 1- cm from an aluminium – InterviewSolution

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1.	29. Shalini has to cut out circles of diameter 1- cm from an aluminium strip of dimensions 8 cmem. How many full circles can Shalini cut? Also calculate the wastage of the alumintumby 1strip.
Answer» <p>Circle diameter = 1 1/4 cmAluminum strip = 8 3/4 cm by 1 1/4 cm</p><p>Area of Aluminum strip = 35/4 cm * 5/4 cm = 355 / 44 = 175/16 cm²</p><p>Area of circle = 3.14 * (5/4cm)² = 3.14 * 25/16 cm² = 78.5/16 cm²</p><p>175/16 cm²÷ 78.5/16 cm² = 175/16 * 16/78.5 = 175/78.5 = 2 18/78.5</p><p>Shalini can cut 2 full circles.</p> <p>ye question konse book ka he</p>

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