Answer:
A. 15
Step-by-step explanation:
Pythagorean Theorem
a²+b² = c²
12²+ 9² = c²
144 + 81 = c²
225 = c²
15 = c
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Answers & Comments
Answer:
A. 15
Step-by-step explanation:
Pythagorean Theorem
a²+b² = c²
12²+ 9² = c²
144 + 81 = c²
225 = c²
15 = c