Unit 6 Circles Preview

Every circle has _________ degrees.

• 90

• 180

• 270

• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Every HALF-circle has _________ degrees.

• 90

• 180

• 270

• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

If the small sector measures 60 degrees, how much is the large sector?

• 60

• 120

• 240

• 300

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is segment OB called?

• radius

• diameter

• chord

• center

What is segment AB called?

• radius

• diameter

• tangent

• center

Tags

CCSS.HSG.C.A.2

In a circle, every radius is the same length.

• True

• False

What is the formula for area of a circle?

• $A\ =\ \pi r^2$

• $A\ =\ bh$

• $A\ =\ 2\pi r$

• $A\ =\ \frac{1}{2}bh$

Tags

CCSS.7.G.B.4

Since you can not add up all of the sides, circles do NOT have a perimeter, they have something similar called....

• center

• circumference

• area

• radius

If the radius of a circle is 10, what is the diameter?

• 5

• 10

• 15

• 20

Tags

CCSS.7.G.B.4

which segment above represents a diameter?

• BC

• AC

• BD

• LM