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<em>Correction to your question text: diameter, not radius.</em>
The area of a circle is given by:

The radius is half of the diameter.

Substitute and solve.

The height of the car at the end of the ride is 4 meters
Answer:
3.33333333333333333333333333333
Step-by-step explanation:
4.5 * 3.33333333333333333 = 14.999999999999 but round and it = 15
It cost $ 3.08 for seven stamps
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