9 arc leng area sector backwards.notebook
March 15, 2017
Warm up 03­15
If the area of a circle is 400 m , what is the area of half the circle? _________
If the circumference of a circle is 100 cm, what is the length of 1/4 of the circle? ____
If the radius of a circle is 10 ft, what is the area of 3/4 of the circle? ______
Oct 6­2:02 PM
HW questions:
9. r=16
10. r=46.7
11. C=14.9
12. A=27.5
13. d=20
14. d=92
Oct 6­2:05 PM
9 arc leng area sector backwards.notebook
March 15, 2017
Oct 7­8:38 AM
Formulas that are given:
circumference
area of circle
arc length
area of sector
Oct 6­2:05 PM
9 arc leng area sector backwards.notebook
Arc length and Area of sector
BACKWARDS
Oct 6­2:06 PM
Mar 13­2:38 PM
March 15, 2017
9 arc leng area sector backwards.notebook
Oct 6­2:07 PM
Oct 6­2:06 PM
March 15, 2017
9 arc leng area sector backwards.notebook
Oct 6­2:08 PM
Oct 6­2:08 PM
March 15, 2017
9 arc leng area sector backwards.notebook
Oct 6­2:09 PM
HW 03­15
Oct 6­2:09 PM
March 15, 2017
9 arc leng area sector backwards.notebook
Oct 7­1:53 PM
March 15, 2017