Radius
The diameter of the circle is 10. What is the radius?
5
The radius of the circle is 4. What is the diameter?
8
The diameter of the circle is 12 cm. What is the exact circumference?
12πcm
The radius of a circle is 8 inches. What is the exact area?
64 π inches2
The diameter of the circle is 16. What is the radius?
8
The radius of the circle is 22. What is the diameter?
44
The diameter of the circle is 10mm. What is the approximate circumference, rounded to the nearest tenth?
31.4mm
The radius of a circle is 2mm. What is the approximate area, rounded to the nearest tenth?
12.6mm2
The diameter of the circle is 88. What is the radius?
44
The radius of the circle is 45.2. What is the diameter?
90.4
The radius of the circle is 60 yards. What is the exact circumference?
120π yards
The diameter of a circle is 10 meters. What is the exact area?
25π m2