find x in a triangle side 1 = 5cm, side 2= 12cm, 3= x
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Answer:
13cm
Step-by-step explanation:
Pythagorean Theorem
5² + 12² = x²
25 + 144 = x²
169 = x²
√169 = √x²
13 = x
Therefore, x is equal to 13cm
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