Hover
A. Seagulls hover over the surging waves.
B. I saw some spies hovering my house.
C. Hard work never did anyone any hover .
The word ‘hover’ means ‘to stay in the air in one place’. It also means ‘to stay at or near a particular level’. A person who hovers stands near someone, waiting for attention. In A and B, the word is used correctly, not in C.
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Find the radius of the sphere whose volume is 562.5π cm3
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ABC is an isosceles triangle inscribed in a circle. If AB = AC = 12√5 and BC = 24 cm then radius of circle is