What's to look back?
Direction: Fill in the blanks
1. An estimated value of π is____
2. A line that passes through the center of a circle is called________
3. Hall of the diameter of a circle is called_________
4. A_______ is the distance around a circle
5. A line segment joining two points on the circle is________​

What can I show?
Directions: Solve the following problems.
1. The diameter of a wheel is 55cm how many times the wheel will revolve in order to cover
a distance of 40m
2. The radius of a cycle wheel is 25cm. find the number of turns required to cover or distance
of 140 cm​