Area = π × r2. Or, when you know the Diameter: A = (π/4) × D2. So A = 6π, which is 18.85. So A = 18.85. And here's the hand.
Bridge Ais 4780 feet long. Bridge B, in the same state, is 650 feet shorter than Bridge A. Find the length of Bridge B.
1 answer:
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