Solution: Find the area of the swimming pool

Solution: A sector has a radius of 12 cm. if the length of its arc is 12 cm, its area is

Solution: Find the area of the rectangle

Solution: Find the area of the circle

Solution: Find the area of the smaller part, in cm square

Solution: Find the area of the larger segment in cm square

Solution: The area of a circle is 89.4 square inches. What is the circumference?

Solution: Find the area of the octagon

Solution: Find the area of the region inside the octagon

Solution: What is the length of the sides of the resulting octagon?