Vocab
The center of the circle
Center point
What is the radius of a circle that has diameter 12 inches
6 inches
What is the diameter of a circle that has a radius 10.
20
The diameter is 10 what is the circumference
31.4’
Radius is 4 inches what is the area of the circle
50.24 square inches
Through the center to the arc
Diameter
How do u find radius from circumference
Divide circumference and 3.14
2 Times the radius
Diameter
How do you find the circumference answer
multiply the circle's diameter by pi 3.14.
The radius is 13 what is the area
530.66
Half of the diameter
Radius
What will happen if the radius is doubled?
The area will become 4 times
What does diameter tell us?
the length of the line through the center that touches two points on the edge of the circle.
Find the circumference of 7.44ft round the answer to two decimals
23.36ft
The diameter is 6 find the area
28.26
Where is the circumference located
The outside of the circle
What determines the size of a radius?
The distance from the centre of a circle to any point on the boundary
How many diameters can a circle have?
a infinite number
Find the circumference of 22 round the answer to the tenth decimal places
138.2
The diameter is 40 find the area
1256
How do u find area of a circle
Number times number times pi
Does the radius in a circle ever change?
all of the radius will have the same length
Why is diameter important
It is a crucial measurement of circles.
The diameter of a truck wheel is 56.5. What is the circumference of the wheel
177.41in
Find the area of the circle the radius is 13.9ft
606.68ft