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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, 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.

- 3 years, 8 months ago

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

- 3 years, 8 months ago

- 3 years, 8 months ago

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

- 3 years, 8 months ago