Which of the following best describes the contribution of pythagoras a .discovery of the geocentric theory b .calculation of the weight of ships by the amount of water they displaced c .discovery of a mathematical formula to relate the sides of a right triangle d .calculation of the circumference of the world to within one percent whats that’s answer

The following, that best describes the contribution of Pythagoras is, >  He discovered an important mathematical formula (Pythagorean theorem, discovering the area of a right angled triangle using its side lengths.).

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discovery of a mathematical formula to relate the sides of a right triangle

ok, so basically your gonna start with 350 ok. so there's 60 seconds in a minute so that means you he can go up 10 ft per minute. soo, after 3 minutes he should be at 260 ft after three minutes : )