A circle is circumscribing a triangle whose sides are 30 cm, 40 cm and 50 cm. Find the circumference of the circle.
Answer & explanation
Correct answer: option 2
We know that,
If a triangle has sides 30, 40 and 50 then it is a right angled triangle.
The radius of circumcircle of this triangle = \(\frac{ Hypotenuse }{2}\)
R = \(\frac{ 50}{2}\) = 25 cm
so the circumference of this circle = 2 × π × 25 cm = 50π cm.