Circle

Which segment is a radius?

• LM

• DC

• BD

• ML

If the area of circle is 100 π , find the radius of the circle.

• 10 π

• 10

• 50

• 50 π

Tags

CCSS.7.G.B.4

what is the formula for finding area of a circle

• C = π r²

• A = π r²

• A = π r² / 2

• C = 2 π r

Tags

CCSS.7.G.B.4

The definition of a circle is

• set of all points in a plain that are the same distance from a point called the center

• the distance around a share

• a large figure

• a pizza, orange, plum, or watermelon

The definition of radius is

• distance from one point to another point

• distance around the circle

• distance from the center to any point on the circle

• distance across the circle through the center

Tags

CCSS.HSG.C.A.2

The definition of diameter is

• distance from the center of any point on the circle

• distance across the circle through the center

• distance from one point to another

• distance around the circle

The definition of circumference is

• distance from the center of any point on the circle

• distance from one point to another

• distance around the circle

• distance from the center of any point on the circle

what is the formula for finding circumference

• c = π d

• c = 2 π r

• d = 2 r

• r = d/2

Tags

CCSS.7.G.B.4

which segment above represents the radius

• AC

• AB

• LM

find the diameter of the circle

• 1 ft

• 4 ft

• 4 mm

• 2 ft

Tags

CCSS.7.G.B.4