4 circles are drawn side by side in a line and enclosed by a rectangle. If the radius of each of a circle is 3 cm. Then calculate 1. Area of a rectangle.
2. Area of a each circle.
3. The shaded area of inside the rectangle
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below is your answer
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Step-by-step explanation:
1. length of rectangle 6(diameter =2×radius)cm×4=24 cm and width =6cm ,area 24×6=144 cm^2
2. area of each circle pie ×r^2=22/7×3^2=198/7 cm^2
3. shaded area
_________________
if that is inside circles 198/7×4=792/7 cm^2
and if it is outside circles
rectangle area minus circles area
=144-792/7 =(1008-792)/7
=216/7 cm^2
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