From a circular card sheet of radius 14 cm, Mary cut two circles of radius 3-5 cm and a rectangle of length 3 cm and breadth 1 cm.find the area of the remaining sheet .
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Area of the circular card sheet = πr²
= 22 x 14 cm x 14cm
7
= 616cm²
Area of two circles = 2 x πr²
= 2 x 22 x 3.5cm x 3.5cm
7
= 77cm²
Area of the rectangle = l x b
= 3cm x 1cm
= 3cm²
•
•. • Area of the remaining sheet = 616cm² - ( 77cm² + 3cm² )
= 616cm² - 80cm²
= 536cm²
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