The coin has a diameter of 26.5 millimeters. What is the approximate area of the coin?
What is 2,206.2 square mm?
100
The Astrodome in Houston, Texas, is circular and has a diameter of 710 feet. What is the approximate circumference of the Astrodome?
What is 2,230.5 feet
200
The space inside the circle is the
What is area?
200
r= 3 km. What is the circumference?
What is 18.8 km?
200
r= 14 in. The area is
What is 615.8 cm?
200
The circumference of a circle is 25 centimetres. What is the approximate area of the circle?
What is 50 square cm?
200
A circular wading pool has a diameter of 4 m. A circular swimming pool has a diameter of 16 m. How many times larger is the circumference of the swimming pool than the wading pool?
What is 4 times?
300
A line whose endpoints are the centre of a circle and a point on the circle is called a
What is radius?
300
d = 30 cm. What is the circumference?
What is 94.2 cm?
300
d= 4 m. The area is
What is 12.6 square metres?
300
Marianna has a plastic hoop with a diameter of 3 m. What is the circumference of Marianna’s hoop?
What is 18.8 m?
300
The radius of the 10 cent piece is 1.95 centimetres. What is the area of half of the coin?
What is 6 square cm?
400
A line which has both endpoints on the circle but which also passes through the center of the circle is called
What is diameter?
400
If the circumference is 25.1 m., the radius is
What is 4 m?
400
d = 15.6 cm. The area is
What is 191.1 square cm?
400
Find the area of a circular table top with a diameter of 56cm. Round to the nearest square cm.
2463 square cm?
400
The distance around Earth at the equator is about 40,074 kilometres. Find the equatorial diameter of Earth to the nearest kilometre.
What is 12,756 km?
500
The set of all points in a plane that are the same distance from a given point called the centre
What is a circle?
500
If the circumference is 47.1 cm, the diameter is
What is 15 cm?
500
C=63.5 cm. The area will be
What is 320.5 square cm?
500
Ray drew one circle with a radius of 7 centimetres and another circle with a radius of 10 centimetres. Find the approximate difference between the areas of the circles.
What is 160.2 square cm?
500
Estimate the area of the top of a round pizza that has a diameter of 16 cm. Round to the one decimal place.