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Fig..8rig, Q.Fig. Q. 1010. Covers for cans are stamped out of sheets of metal. How many square centimetres of waste materiis there when the covers are cut from a square 5 cm wide? (Use 3.14 for m)

Answer»

Area of square = (5)² = 25cm²Radius of circle = 5/2 cmArea of circle = πr²= 3.14 × (5/2)²= 3.14 × (25/4)= 3.14 × 6.25= 19.62 cm²Area of wasted material = area of square - area of circle = 25-19.62= 5.38 cm²



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