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?
One side of a rectangle is 8cm and the diagonal is 10cm. What is the area of the rectangle?