I’m confused on this question and I need help
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Answer:
Step-by-step explanation:
Pythagorean Theorem
c^2 = a^2 + b^2
a = 20
b = 15
c = ?
c^2 = 20^2 + 15^2
c^2 = 400 + 225
c^2 = 625 Take the square root of both sides.
√c^2 = √625
c = 25
The third side is 25 cm long.