A bicycle wheel makes four and a half turns. Find the number of right angles through which itturns.
We know that the wheel of a bicycle covers 360o in one turn.
It can be written as
360/90 = 4 right angles
We know that in four and half turns the wheel turns by 4 (4.5) = 18 right angles
Hence, the number of right angles through which it turns is 18.
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