Mathematics, 18.01.2022 03:00 hfleysher

A motor racing circuit consists of two parallel straight sections, each of length 0.75 km
a semicircle of diameter 0.9 km
three equal, smaller semicircles.
Not drawn
accurately
0.75 km
0.9 km
0.75 km
The length of a motor race must be greater than 305 km
What is the lowest number of full laps needed at this circuit?
You must show your working.

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