1. 9-1
Objectives
Students will be able to apply area, and circumference formulas to solve problem.

2. 9-1
The circumference of a circle is the distance around the circle.
“perimeter of the circle”

3. 9-1
 (Pi) is often approximated as 3.14 or

4. Find circumference and area of circles
9-1
Find circumference and area of circles
Find the area and perimeter of each circle. 1. 2.

5. Find Circumference and Areas of Circles
9-1
Find Circumference and Areas of Circles

6. 9-1
Apply Formulas of Perimeter, Circumference and Areas

7. Group wprk- Application in Real LIfe
9-1
Group wprk- Application in Real LIfe
A landscaper is installing a brick patio in the backyard. He is building a rock wall around the perimeter of the patio.
1. What is the area needed for the brick patio?
2. What is the perimeter needed for building the brick wall?
28.56ft.