MSSE 370 Circle Quiz

Which of the following is true about a circle?

• It has corners

• It is a polygon

• All points on the circle are equidistant from the center

• It has three sides

Tags

CCSS.HSG.CO.A.1

What is the radius of a circle?

• A line segment joining the center of the circle to a point on it

• A line segment passing through the center with endpoints on the circle

• The perimeter of the circle

• The area of the circle

What is the diameter of a circle?

• A line segment joining the center to a point on the circle

• A line segment passing through the center with endpoints on the circle

• The circumference of the circle

• The radius of the circle

Tags

CCSS.HSG.C.A.2

If a circle has a radius of 7 cm, what is the diameter?

• 7 cm

• 14 cm

• 21 cm

• 28 cm

Tags

CCSS.7.G.B.4

What is a chord in a circle?

• A line segment with both endpoints on the circle

• The distance around the circle

• The radius of the circle

• The area inside the circle

What is the formula for the area of a circle?

• A = πr²

• C = 2πr

• A = 2πr

• C = πd

Tags

CCSS.7.G.B.4

How do you calculate the circumference of a circle if you know the diameter?

• C = 2πr

• C = πr²

• C = 2πd

• C = πd

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 8 cm?

• 8π cm

• 16π cm

• 4π cm

• 12π cm

Tags

CCSS.7.G.B.4