Circle Terms
The distance from the center of a circle to the outside, also half of the diameter is called...
The Radius
What unit would you use to measure the length of a pencil?
centimeter
The diameter of this circle is 437. What is the radius?
218.5
20 cm = _______ mm
200 mm
5 km = ________ m
5,000 m
The longest part in a circle. From one edge to the other through the center is called...
The Diameter
What would be the best metric unit to find the length of a football field?
meters
The radius of this circle is 194.68. What is the diameter?
389.36
4 L = ________ mL
4,000 mL
What is the circumference of a circle if:
the radius = 10cm
C = 31.42cm2
The distance around the circle is called...
The Circumference
What would be the best metric units to use to find the width of the edge of a nickel?
Millimeter
What is the area of a circle if:
the Radius = 6 in
113.1 in
50 cm = _______ m
.500 m
What is the circumference of a circle if:
the radius = 7.4 yds?
46.47 yards
Decimal number used for pi
3.14
What would be the best metric units to use to find the capacity of a swimming pool?
Litres
What is the area of a circle if:
the diameter = 8 in
A = 50.27
6,000 mg = _______ g
6 g
62.76km = _______ m
62,760 m
The formula for area & circumference is...
A = Pi(r)2
C = 2Pi(r)
What would be the best metric unit to use to find the mass of a small rock?
Grams
What is the area of a circle with a diameter of 382?
114,550.34
4 Kg = ______ mg
4,000,000mg
Does Ms. Compson have any animals?
Yes, a cat and a dog