选择题
2017 AMC 8 Problem 22: Inscribed Semicircle Radius
In right triangle ABC, AC = 12, BC = 5, and angle C is a right angle. A semicircle is inscribed in the triangle as shown. What is the radius of the semicircle?
2017 AMC 8 第22题 ：刻印半圆半径
在直角三角形ABC中， AC = 12 ， BC = 5 ，角度C为直角。如图所示，半圆刻在三角形中。半圆的半径是多少？
A.
7/6
B.
13/5
C.
59/18
D.
10/3
E.
60/13