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3 votes
What is the length of the radius?

What is the length of the radius?-example-1

2 Answers

5 votes
The answer is 8.4.

I would use the Pythagorean Theorem to solve this:
l² + l² = h²
r² + (5)² = (9.8)²
r² + 25 = 96.04
r² = 96.04 - 25
√r² = √71.04
r = 8.428523...
r = 8.4

Hope that helps.
User Andy Lamb
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8.3k points
4 votes
i believe it should be 4.8
User MichaelChan
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