Vocabulary
The distance around the entire circle is called?
Circumference
Circumference= 157 m
What is the area? Use 3.14 for pi.
1962.5 m2
What is the circumference of a circle if the diameter is 10 inches. Use 3.14 for pi.
31.4 inches
What is the area of circle with a radius of 5 meters? Use 3.14 for pi.
78.5 m2
If you are placing a fence around a circular garden, which of the following are you solving for?
Circumference
The amount of space required to fill an entire circle is called?
Area
Circumference= 282.6 cm
What is the area? Use 3.14 for pi.
6358.5 cm2
What is the circumference of a circle if the radius is 15 inches. Answer in terms of pi.
30π inches
What is the area of a circle with a diameter of 24 inches? Use 3.14 for pi.
452.16 in2
7(-3x-2)=28
x=-2
The part of a circle that goes across the entire circle and through the center of the circle is called?
Diameter
Area= 530.66 mi2
What is the diameter? Use 3.14 for pi.
26 mi.
What is the circumference of a circle with a radius of 9 inches? Use 3.14 for Pi.
56.52 inches
What is the area of a circle with a diameter of 12 feet? Leave your answer in terms of pi.
36pi
Select all the terms that are irrational in the following list.
1/2, 0, sqrt(9), sqrt(6), 11^2, -2.235674..., 6.7, pi,
sqrt(6), -2.235674..., pi
This part of a circle goes through the center and through HALF of the circle.
Radius
Area= 907.46 km2
What is the circumference? Use 3.14 for pi.
106.76 km
What is the diameter of a circle with a circumference of 15.7 cm?
5 cm
What is the radius of a circle with an area of 1384.74 in2? Use 3.14 for pi.
21 inches.
What is the name of Mr. Smythe's son?
Zack or Zackary
This decimal term comes from the ratio between the circumference of a circle and its diameter.
Pi or 3.14
Circumference=72.22 in
What is the area of a semicircle? Use 3.14 for pi.
207.6325 in2
A Ferrari car uses tires that have a radius of 13 inches. What is the circumference of all the tires combined? Use 3.14 for pi.
326.56 in
The area of a wall is 300 ft2. If there is a circular window placed in the wall with a radius of 3 feet, what is the area of the wall without the window? Use 3.14 for pi.
271.74 ft2
Simplify the expression.
(.2 times 3/4) +1.5
1.65 or
1 and 13/20