C2 Radius, Diameter, & Circumference Review

a straight line from the center to the circumference of a circle or space

• Diameter

• Chord

• Radius

• Tangent

Tags

CCSS.HSG.C.A.2

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere

• Diameter

• Chord

• Secant

• Tangent

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

What is the radius of a circle when the diameter is 70 m?

• 38

• 35

• 90

• 140

Tags

CCSS.7.G.B.4

What is the diameter of a circle when the measure of its radii is 24 m?

• 12

• 32

• 25

• 48

Tags

CCSS.7.G.B.4

A circular swimming pool is 21 feet in diameter.

How many feet around is the pool? Remember, around the circle is circumference.

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

What is the circumference of a circle with a diameter of 10 meters?

• 5 meters
• 15.7 meters
• 3.14 meters
• 31.4 meters

Tags

CCSS.7.G.B.4

what is the circumference of this circle ? The diameter is 12...it's a little had to see.

• 3.14 cm

• 37.68 cm

• 24 cm

• 68.4 cm

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

Tags

CCSS.7.G.B.4

What is the perimeter of the semi-circle? It's a little hard to see that the radius is 5.5 Don't forget to take HALF of the circumference and ADD the distances to get across.

• 11 yd

• 17.27 yd

• 34.54 yd

• 28.27 yd