The roots of a quadratic equation are -1/4 and 3. The quadratic equation is

In the diagram above, O is the center of the circle of radius 3.5cm, ∠POQ = 60o

Use the information to answer the question below [Take π = 22/7]

What is the length of the arc PXQ?

In the diagram above, O is the center of the circle of radius 3.5cm, ∠POQ = 60°. What is the area of the minor sector POQ?

[Take π = 22/7].

If the hypotenuse of a right-angle isosceles triangle is 2, what is the length of each of the other side?