Answer:
65 feet
Explanation:
Given that,
Length of a rectangle, L = 60 feet
Breadth of a rectangle, B = 25 feet
We need to find the diagonal length of the stage. We know that for a rectangle each angle is 90 degrees. Let x is the length of the diagonal. So,
So, the length of the diagonal is 65 feet. Hence, the correct option is (a).