an ant is moving on the circumference of half of circle of radius 7 cm who will cover more distance the one who will move through the circumference of circle for the one who will move through diameter and by how much
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circumference of a semi-circle= (2πr) ÷ 2
= ( 7 × 2π ) ÷ 2
= 44 ÷ 2
= 22cm
diameter = 2r
= 2 × 7
= 14cm
difference between the two ant's distance = 22 - 14
= 8cm
Hence the ant which moved from the semi-circle covers more
distance then the another ant by 8 cm.
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