Answer:
±5
Step-by-step explanation:
Apply the Pythagorean Theorem:
x^2 + 12^2 = 13^2, or
x^2 = 169 - 144 = 25
The possible y-coordinate vaues are ±√25, or ±5
Answer:
1:3
Step-by-step explanation:
15/15 = 1 and 45/15 = 3
Scalene trian<span>gle
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