river, the boat's speed perpendicular to the river, and the river's speed. Speed is distance/time, and

the Pythagorean Theorem is c2 = a2 + b2.

Question:
# Compute the distance a boat travels across a river,...

river, the boat's speed perpendicular to the river, and the river's speed. Speed is distance/time, and

the Pythagorean Theorem is c2 = a2 + b2.

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