a rectangular acrylic sheet is 36cm by 25cm from it, 56 circular buttons each of diameter 3.5cm have been cut out find the area of the remaining sheet
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Answer: area of remaining part would be 361 sq.cm.
Step-by-step explanation:
Since we have given that
Length of rectangle = 36 cm
Width of rectangle = 25 cm
So, Area of rectangle would be
36×25 = 900 sq. Cm
Diameter of circle = 3.5 cm
So, area of 56 circles would be
πr^2 =22/7×3.5/2×3.5/2×56
= 539 sq. cm
Area of remaining part would be
900-539=361 sq.cm
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