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Circular Triangles

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

Note by Paramjit Singh
3 years, 1 month 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. Mark Mottian · 3 years, 1 month ago

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R=abc/4.area ,therefore,25/2=12.5 units. Prasad Nikam · 3 years, 1 month ago

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@Prasad Nikam Check your reasoning. Paramjit Singh · 3 years, 1 month ago

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@Prasad Nikam First using the cosine rule and then the extended sine rule I also got 12.5 units Josh Rowley · 3 years, 1 month ago

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