alleryPT=12 cm is tangent to a radius-5 cm circle. A is its nearest point to P. PA?
A18 cm
B5 cm
C13 cm
D8 cm
Answer & Solution
Correct answer: D. 8 cm
The centre distance is √(12²+5²)=13 cm, so the nearest boundary is 13−5=8 cm away.
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