What is the radius of the circle inscribed in triangle ABC if AB = 10, AC = 17, BC = 22? Express your answer as a decimal to the nearest tenth.
What is the radius of the circle inscribed in triangle ABC if AB = 10, AC = 17, BC = 22? Express your answer as a decimal to the nearest tenth.
1/ Find the triangle area using Heron's formula.
2/ Calculate the value of inradius using this formula: r = A / s ( 's' --semiperimeter)