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Find the radius of the circle circumscribing a triangle with sides \(5,5,6\).

Note by Paramjit Singh 3 years, 8 months ago

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I believe the radius of the circumscribed circle is 3.125 units. Is this correct?

Extension: The radius of in the inscribed circle is 1.5 units.

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R=abc/4.area ,therefore,25/2=12.5 units.

Check your reasoning.

First using the cosine rule and then the extended sine rule I also got 12.5 units

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TopNewestI believe the radius of the circumscribed circle is

3.125 units. Is this correct?Extension: The radius of in the inscribed circle is

1.5 units.Log in to reply

R=abc/4.area ,therefore,25/2=12.5 units.

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Check your reasoning.

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First using the cosine rule and then the extended sine rule I also got 12.5 units

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