The answer is: [B]: " 9 * 10⁻³ " .
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Answer:
NE = 8 cm
Step-by-step explanation:
Radius OA = OE = 5 cm
In right triangle OAN, OA² + AN² = ON²
5² + 12² = ON²
ON² = 25 + 144 = 169
so ON = 13 cm
NE = ON - OE = 13 - 5 = 8 cm
(54.3+56.1+n)/3 = 55
54.3+56.1+n = 165
54.6 = n
