PLEASE ANSWER ASAP IT'S IMPORTANT 30 POINTS
2 answers:
Answer:
√841
Step-by-step explanation:
You would use pythagorean theorem to solve this problem:
a² + b² = c²
a = 20 b = 21
20² + 21² = 400 + 441 = 841
√841
841 square rooted because after you square root 841 you get 29 as the hypotenuse
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