Radius
Worded questions
Circumference
Area
Challenge
100
The diameter of a circle is 10, the radius is...
What is 5.
100
What is the total area a button covers if it has a diameter of 20mm and each hole has a radius of 1.5mm? give answer in mm
What is 94.84cm2
100
the equation for the circumference of a circle is?
What is 2πr
100
What is the Equation to calculate the area of a circle?
What is πr2
100
The distance all the way across a circle.
What is the diameter?
200
The diameter is 100, the radius is...
What is 50
200
what is the largest pancake that could be cooked in a frying pan, if its base diameter is 24cm?
What is 452.39cm2
200
The circumference of a circle that has a diameter of 4 is...
What is 12.56?
200
The area of a cirlce that has a radius of 10 is...
What is 314?
200
The distance half way across the circle.
What is the radius?
300
The diameter is 15, the radius is...
What is 7.5?
300
Calculate the area of a circle with a diameter of 0.42cm
What is 0.14cm2
300
What is the circumference of a circle that has a radius of 5???
What is 31.4?
300
The area of a circle that has a radius of 9 is...
What is 254.34?
300
The distance around the outside of a circle.
What is the circumference?
400
The diameter is 25, the radius is...
What is 12.5?
400
calculate the area of a circle with a radius of 0.8m
What is 2.01m2
400
The circumference of a circle that has a 4.5 is...
What is 28.26?
400
The area of a circle with a diameter of 10 is...
What is 78.5?
400
The amount of space inside a circle.
What is the area?
500
The diameter is 0.5, the radius is...
What is 0.25?
500
the area of the ring is?
What is 175.9cm2
500
The circumference of a circle that has a diameter of 12.5 is...
What is 29.25?
500
The area of a circle with a diameter of 100 is...
What is 7850?
500
How are perimeter and circumference similar?
They both measure the distance around the outside of something.