Circle Basics

The distance from the center of a circle to the outside edge.

• Radius

• Diameter

• Circumference

• Chord

The distance through the center of a circle edge to edge.

• Radius

• Diameter

• Circumference

• Chord

Tags

CCSS.HSG.C.A.2

The distance around the outside of the circle

• Radius

• Diameter

• Circumference

• Chord

• area of a circle

• circumference of a circle

• area of a rectangle

• area of a semi-circle

Tags

CCSS.7.G.B.4

• area of a circle

• circumference of a circle

• area of a rectangle

• area of a semi-circle

Tags

CCSS.7.G.B.4

• area of a circle

• circumference of a circle

• area of a rectangle

• area of a semi-circle

Tags

CCSS.7.G.B.4

If the radius of a circle is 50 cm, what is the diameter?

• 50 cm

• 100 cm

• 25 cm

• 2500 cm

Tags

CCSS.7.G.B.4

If the diameter of a circle is 70 cm, what is the radius?

• 70 cm

• 140 cm

• 35 cm

• 10 cm

Tags

CCSS.7.G.B.4

Which equation could be used to find the area in square inches of a circle with a diameter of 40 inches.

Tags

CCSS.7.G.B.4

Which equation could be used to find the circumference of a circle with a diameter of 40 inches.

Tags

CCSS.7.G.B.4