In a right-angled triangle, the two sides that form the right angle are 12 cm and 5 cm. Find the perimeter of the triangle.
A
28 cm
B
29 cm
C
30 cm
D
31 cm
Correct Option:
C
Explanation
The perpendicular sides are 5 cm and 12 cm. By the Pythagorean theorem, the hypotenuse is 13 cm, giving the famous 5–12–13 triangle. Perimeter = 5 + 12 + 13 = 30 cm.
