Question

find the area of wasted material if two circles of radius 4 cm are cut out of a rectangular sheet material that is 16 cm long and 8 cm wide
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Answer 1

Answer:

If AE. = 8 cm and AD = 5 cm, find the perimeter of the rectangle. Solution: DE = EA + AD = (8 + 5)cm =13 cm. DE is the radius of the circle ...