Area = Circumference
unit11circleequations.notebook
March 07, 2016
Objective: SWBAT find sector area and arc length.
Do now: Find the center and radius of the circle: x2+y2 -6x +10y -16 =0
HW #17: p.6 in packet, #1-4
Mar 183:21 PM
Circles
Area = Circumference=
Feb 1212:55 PM
1
unit11circleequations.notebook
March 07, 2016
Examples:
1) Find the exact area of a circle with a circumference of 14π
2) Jessica is making a circular table cloth for an art project. She wants half of the cloth to be a plain colored fabric and half to be a print fabric. How many square feet of plain fabric (to the nearest hundredth of a yard) will she actually be using if the diameter of the cloth is 6 feet?
Mar 112:50 PM
A designer needs to create perfectly circular necklaces. The necklaces each need to have a radius of 10 cm. What is the largest number of necklaces that can be made from 1000 cm of wire?
4) Linda is designing a circular piece of stained glass with a diameter of 7 inches. She is going to sketch a square inside the circular region. To the nearest tenth of an inch, the largest possible length of a side of the square is
Mar 77:13 AM
2
March 07, 2016
Objective: SWBAT find sector area and arc length.
Do now: Find the center and radius of the circle: x2+y2 -6x +10y -16 =0
HW #17: p.6 in packet, #1-4
Mar 183:21 PM
Circles
Area = Circumference=
Feb 1212:55 PM
1
unit11circleequations.notebook
March 07, 2016
Examples:
1) Find the exact area of a circle with a circumference of 14π
2) Jessica is making a circular table cloth for an art project. She wants half of the cloth to be a plain colored fabric and half to be a print fabric. How many square feet of plain fabric (to the nearest hundredth of a yard) will she actually be using if the diameter of the cloth is 6 feet?
Mar 112:50 PM
A designer needs to create perfectly circular necklaces. The necklaces each need to have a radius of 10 cm. What is the largest number of necklaces that can be made from 1000 cm of wire?
4) Linda is designing a circular piece of stained glass with a diameter of 7 inches. She is going to sketch a square inside the circular region. To the nearest tenth of an inch, the largest possible length of a side of the square is
Mar 77:13 AM
2
