The sides of ΔABC are 10cm, 10.5 cm and 14.5 cm. What is the radius of its circumcircle?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 7.25 cm
| Understanding | Application |
| Tricks |
Given sides = 10cm, 10.5 cm and 14.5 cm Here we find (14.5)2 = (10)2 + (10.5)2 Means it is a right angle triangle |
| Now |
The radius of its circumcircle = 1/2 × hypotenuse = 1/2 × 14.5 = 7.25 |