Answer:
13
Step-by-step explanation:
8 1/8
/
5/8
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13
The calculation for circumference is 2πr or 2 × π (pi=3.14) × radius of a circle
Since the diameter of this circle is 7cm, and the radius is half of the diameter, 7 ÷ 2 = 3.5
So, 2×3.14(π)×3.5=21.98
first fall 128 feet,
second fall ¼•128=32 feet,
third fall ¼•32=8 feet
