Circle Vocabulary
The Diameter of this circle is 5 cm. What is the radius?
What is 2.5cm?
The radius of this is 5 in. What is the diameter?
What is 10 in
What formula is used to find the area of a cirlce?
What is A = π·r² or A = 3.14·r² ?
The longest part in a circle. From one edge to the other through the center.
What is the Diameter
The diameter is 12 feet. What is the radius?
What is 6 feet
The radius of this circle is 2.5 feet. What is the diameter?
What is 5 feet
The radius of this circle is 3 in. What is the area?
What is 28.26 in2
The distance around the circle.
What is circumference?
The diameter of this circle is 27 inches. What is the radius?
What is 13.5 inches
The radius of this circle is 15.7 in. What is the diameter?
What is 31.4 in
The radius of this circle is 21 feet. What is the area?
What is 1384.74 feet2
The diameter of this circle is 437 miles. What is the radius?
What is 218.5 miles?
The radius of this circle is 18.84 cm. What is the diameter?
What is 37.68 cm
The diameter is 30 mm. What is the area?
What is 706.5mm2?
The diameter is 25.12 mm. What is the radius?
What is 12.56mm?
The radius of this circle is 194.68 mi. What is the diameter?
What is 389.36 mi?
The diameter is 25.12in. What is the area?
What is 495.35in2?