how many pieces of 10 centimetre diameter can be cut from a metal sheet of size 100 into 120 CM neglecting allowance
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Explanation:
r=10/2=5 cm
Area of circle= πr²
= 22/7×5²
=22×25/7
=550/7 cm²
Area of metal sheet =100×120
=12000 cm²
=12000÷550/7
=12000×7/550
=153.72
No. of pieces = 153
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