Circumference & Area of Circles

The radius of a circle is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

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CCSS.HSG.GPE.A.1

The diameter of a circle is . . . .

• 1/2 of the radius
• the radius squared
• radius divided by Pi
• twice the radius

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CCSS.4.G.A.1

The distance around a circle is _____________?

• Area
• Circumference
• Diameter
• Radius

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CCSS.HSG.GMD.A.1

What method would you use to find the circumference of a circle?

• Multiply the diameter by Pi.
• Divide the diameter by Pi.
• Multiply the radius by Pi
• Divide the radius by Pi.

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CCSS.HSG.GMD.A.1

Which method could be used to find the radius of the circle formed by the pinwheel as it spins?

• Divide 9 inches by 2
• Divide 9 inches by pi
• multiply 9 inches by pi
• multiply 9 inches by 2

Tags

CCSS.HSG.GMD.A.1

What is π ? (Best Choice)

• The ratio of the circumference of any circle to its diameter.
• Exactly 3.14
• Exactly 3.1415
• Exactly 3.141593

Tags

CCSS.HSG.GMD.A.1

Determine the radius of the penny.

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

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CCSS.HSG.C.A.2

CCSS.HSG.GMD.A.1

CCSS.HSG.GPE.A.1

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft
• 12.25 ft
• 10.99 ft
• 8.75 ft

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CCSS.HSG.GMD.A.1

After taking part in a competition, Yahir received a bronze medal with a radius of 2.5 inches. What is the medal's diameter?

• 2.5 in
• 5 in
• 4 in
• 4.5 in

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CCSS.HSG.GMD.A.1

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once?

• 13.5 inches
• 42.39 inches
• 27 inches
• 84.78 inches

Tags

CCSS.HSG.GMD.A.1