Area and Circumference Exact

What is the diameter of this circle?

• 4

• 8

• 1

• 2

Tags

CCSS.7.G.B.4

• circumference

• diameter

• radius

• area

• radius

• diameter

• area

• pi

Tags

CCSS.HSG.C.A.2

Is this a radius or diameter?

• Radius

• Diameter

Circumference is

• a measure of distance from the center to the edge of a circle

• the outer boundary of a circle

• a measure of distance across the center of a circle

• a comparison of the distance around to the distance across the center of a circle

Is this a radius or diameter?

• Radius

• Diameter

• how many times the radius fits in the circumference

• how many times the diameter fits in the circumference

• how many times the radius fits in the diameter

• how far the diameter is from the circumference

Tags

CCSS.HSG.GMD.A.1

Find the exact circumference of a circle with diameter of 20 inches.

• 40 π in

• 100 π in

• 10 π in

• 20 π in

Tags

CCSS.7.G.B.4

If we know the radius, how do we find the diameter?

• Double it

• Half it

Tags

CCSS.7.G.B.4

Find the exact circumference of a circle with a radius of 14

• 14 π

• Cherry π

• 7 π

• 28 π

Tags

CCSS.7.G.B.4