Sandy has a circular carpet the diameter of the circle is 34.6cm, what is the area? (rounded to the nearest tenth)
The area is the circular carpet is 3759.1cm2
The radius of a circle is 89.4m, what is the area? (rounded to the nearest tenth)
The answer is 25096m2
Definition of "Circumference"
The perimeter around a circle.
The diamter of a circle is 49.1mm, what is the circumference? (rounded to the nearest tenth)
The answer is 154.2mm
What is the formula to find out the diameter when you have the radius?
The answer is radius x2
Sarah has a circle that she drew, she measured a straight line in the middle of the circle and it was 12cm long, what is the circumference of the circle? (rounded to the nearest tenth)
The circumference of Sarah's circle is 37.7cm
The Diameter of a circle is 89.8m, what is the area? (rounded to the nearest tenth)
The area of the circle is 63303.3m2
Definition of "Diameter".
A straight line that goes through the middle of a circle.
The radius of a circle is 56.7mm, what is the circumference? (rounded to the nearest tenth)
The circumference of the circle is 356.1mm2
What is the formula to get the circumference when you only know the diameter?
The answer is pi x diameter
Emerson has a round flower pot, she is filling it with two different types of flowers, sunflowers, and tulips. The circumference of her flower pot is 57.90m, what is the diameter? (round to the nearest tenth)
The diameter of the flower pot is 18.4m
The diameter of a circle is 789.01km, what is the area? (round to the nearest tenth)
The area of the circle is 488691.4km2
Definition of "Radius"
Half of the diameter, half of the line that goes through the middle of a circle.
Half of the radius is 492.12mm, what is the circumference?
The circumference of the circle is 6181mm
What is the formula to get the circumference of the circle when you only know the radius?
The answer is 2 x pi x radius
Caitlyn has a big hole in her backyard, the hole covers more than half of her backyard, the circumference of the hole is 12345678.9cm, what is the radius of the hole? (round to the nearest tenth)
The radius of the hole in her backyard is 1865872.4cm
The dimater of a circle is 9402mm, what is the area? (round to the nearest whole number)
The area of the circle is 69392119mm2
Definition of "Area"
The measurement of the inside of the circle.
A quarter of the radius is 673.7m, what is the circumference.(round to the nearest tenth)
The circumference of the circle is 16923.3m
What is the formula to find the area of a circle?
The answer is pi x radius2
Abby has a circular classroom filled with a lot of objects, they are all circular, she has a table that has a radius of 2m, and she has a circular window that has a radius of 45.1cm, her classroom has a diameter of 14m. What is the circumference of all the circular items? (rounded to the nearest tenth)
Table: 12.6m
Window: 283.2cm
Classroom: 44m
The circumference of a circle is 4567.90cm, what is the area of the circle?(round to the nearest tenth)
The area of the circle is 1661407.8cm2
Definition of "Chord"
A line segment connecting two points on a curve of a circle.
A sixth of the radius is 385.5km, what is the circumference? (round to the nearest tenth)
The circumference of the circle is 14525.6km
What is the formula to find the radius when you only have the circumference?