6th Grade Honors 3.2 Circumference and Area of Circles key.notebook

6th Grade Honors 3.2 Circumference and Area of Circles key.notebook
6th Honors: How do we use circumference and area of
circles to problem solve?
October 21, 2016
Circle
Warm-up: Find the Area of the figures.
1.
8 cm22.1
cm.
2.
18.3 cm.
Oct 15­2:50 PM
Oct 15­2:52 PM
Area of a circle = Pi (Radius)(Radius)
How do we find the circumference of a circle?
Circumference of a circle is the distance around the
circle (like perimeter).
Ex 1:
6 cm
Ex 2:
4.1 m
diameter
radius
3 cm
Oct 15­2:53 PM
Oct 15­2:53 PM
1
6th Grade Honors 3.2 Circumference and Area of Circles key.notebook
October 21, 2016
Find the circumference and area of each circle.
1.
2.
Oct 15­2:53 PM
Oct 15­2:54 PM
2