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jek_recluse [69]
2 years ago
5

The area of a circle is 30.85cm2. Find the length of the radius rounded to 2 DP

Mathematics
1 answer:
Alex17521 [72]2 years ago
4 0

Answer: 3.13

Step-by-step explanation:

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See question in image and show workings​<br><br>Note : 1 nautical mile = 1.86km
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AB is on the latitude 30°N.

<u>Find AB:</u>

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12067.92/1.86 = 6488.13 nautical miles

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<u>Note</u>. <em>This is unrealistically high speed for a ship, this must be a plane or the time given wrong.</em>

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