2014 · Q83
ABC is triangle right-angled at B. If AB = 6 cm and BC = 8 cm, then what is the length of the circum-radius of the triangle ABC?
Elementary MathematicsGeometry
- A10 cm
- B7 cm
- C6 cm
- D5 cm
Explanation
Hypotenuse AC = 10 cm; circumradius = hypotenuse/2 = 5 cm.