The circumference of a circular table is 88cm,then what is itтАЩs area?
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Solution :
Let the radius of the circular table = r cm
i ) Circumference of the table = 88 cm
=> 2πr = 88 cm
=> 2×( 22/7 ) × r = 88 cm
=> r = ( 88 × 7 )/( 2 × 22 ) cm
=> r = ( 2 × 7 ) cm
=> r = 14 cm
ii ) Area of the circle (A ) = πr²
= ( 22/7 ) × 14 × 14
= 22 × 14 × 2
= 616 cm²
••••
Let the radius of the circular table = r cm
i ) Circumference of the table = 88 cm
=> 2πr = 88 cm
=> 2×( 22/7 ) × r = 88 cm
=> r = ( 88 × 7 )/( 2 × 22 ) cm
=> r = ( 2 × 7 ) cm
=> r = 14 cm
ii ) Area of the circle (A ) = πr²
= ( 22/7 ) × 14 × 14
= 22 × 14 × 2
= 616 cm²
••••
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