To find: Radius of the
Answer to Problem 7CE
Radius of the circle is r.
Explanation of Solution
Given information:
Center of the circle inscribed in a
The two lines are bisectors to the sides TR and TS respectively. So the length of the intersection point to I is the radius of the circle as circle touches the side of triangle at bisection of line and I is centre of circle.
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McDougal Littell Jurgensen Geometry: Student Edition Geometry
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- Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning