December 27, 2024
Explanation:
(C)
Three sides of the triangle are x, 21 and 40, where the shorter side is x.
We know, in a triangle the sum of any two sides is always greater than the third side.
Using it, we get
x + 21 > 40
Or, x > 40 − 21
As x > 19
∴ Possible value of x will be 20.