Circle Terms
The distance from the center of a circle to the outside, also half of the diameter
What is radius
The Diameter of this circle is 10. What is the radius?
Bonus/Alternate- Find the slope of the line with this equation: 2y + 3x = 20
5;
Bonus/Alternate Answer: 2y=-3x+20; y=-3/2x+10
The slope is -3/2
The radius of this is 5. What is the diameter?
What is 10
What is the distance around a circle called?
circumference
What is the area of a circle that has a radius of 3 centimeters?
28.26 sq cm
The longest part in a circle. From one edge to the other through the center.
What is the Diameter
The diameter is 15. What is the radius?
7.5
The radius of this circle is 2.5. What is the diameter?
What is 5
What is the circumference of the circle with a diameter of 100?
314
What is the area of a circle with a diameter of 8 inches?
50.24 sq in
The distance around the circle.
What is circumference?
Decimal number used for
π
3.14
What is the diameter of a circle if the radius is 386.3?
Bonus/Alternate: The change in y over the change in x is known as _________
772.6
Bonus/Alternate Answer: Slope
What is the circumference of a circle with a diameter of 3.52?
11.06
What is the area of a circle with a radius of 5.3 feet?
88.2
Circles that are the same shape and size are _________.
Bonus/Alternate: The standard form for a line is _____
congruent;
Bonus/Alternate Answer: ax + by = c
The diameter of this circle is 437. What is the radius?
218.5
The radius of this circle is 18.84. What is the diameter?
What is 37.68
Find the circumference of a circle with a diameter of 2 in.
6.28
What is the area of a circle with a diameter of 25 cm?
490.3
Julio wants to buy new shoes. He has a $25 gift card and wants to spend less than $75 of his own money. Which inequality matches this situation?
A. x − $25 = $75
B. x − $25 < $75
C. $75 − $25 < x
B. How much it costs, x, minus the $25 gift card is less than how much he can spend ($75).
What is the radius when a circles circumference is 31.4 inches
5 inches
The radius of this circle is 194.68. What is the diameter?
What is 389.36?
What is the circumference of a circle that has a radius of 22?
138.16
What is the area of a circle if the diameter is 16 cm?
200.96 cm^2