What is the value of pi rounded to the nearest hundredth?
3.14
The diameter of Circle A is 14 units. What is the radius?
7 units
The radius of Circle B is 14 units. What is the diameter?
28 units
What is the formula for circumference?
Pi * Diameter
A circle has a diameter of 8 units. What is the circumference?
25.12 units
What is the circumference of a circle that has a diameter of 9 units?
28.26 units
What is the formula for finding the area of a circle?
Pi * r2
A circle has a diameter of 15 units. What is the area? (Round to the nearest hundredth)
176.63
What color is Ms. Harlan's water bottle?
Purple
How do you find the perimeter of a circle?
Pi*diameter
A triangle has an area of 15 cm2. It's base is 5 cm. What is the height of the triangle?
(HINT: Think of the formula for area of a triangle!)
6 cm
If all I know about a circle is it's circumference, how can I find it's diameter?
Divide by pi (3.14)
Area of a circle divided by the radius squared gives you what?
Pi (3.14)
What is Ms. Harlan's first name?
Kayla
The CIRCUMFERENCE of a circle is 37.68 units squared. What is the area of the circle?
113.04 units squared
What is the area of a circle that has a diameter of 14 units?
153.86 units squared