Question

An ant is moving on the circumferences of
half of circle of radits 7cm. who will
cover more distance the one who will move
through the circumference of circle or
the one who will move through diameter
and by how much
​

Answer 1

An ant moving diameter=2×7=14m

an ant moving through the circumference=1/2×2πr=22/7×14=

44m

so circumference will cover more distance by(44-14)=30m

hope it helps you