Answer: I think the answer is 38.
Step-by-step explanation:
Answer:
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Answer:
b.c
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let d and r be the diameter and radius, respectively.
d² + 12² = 15²
d² = 15² - 12² = 81
d = √81 = 9
r = d÷2 = 4.5 mm