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docker41 [41]
3 years ago
11

Select three sets of numbers that can be the side lengths of a right triangle

Mathematics
1 answer:
777dan777 [17]3 years ago
8 0

Answer:

4th choice, 20, 21, 29 would be the answer.

Step-by-step explanation:

Pythagorean Theorem: a^2 + b^2 = c^2

a= 20, b= 21, c= 29 ( c has to be the C, hypotenuse, because it is the longest)

therefore,

20^2 + 21^2 = 29^2

              into

400 + 441 = 841,

which is true, makes the Pythagorean Theorem work.

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