Circles and Cords

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 definition of pi

select ALL that apply

• it is the sixteenth letter in the greek alphabet

• it has a represented value of 3.14

• it has a represented value of 22/7.

• Its something you eat...

what is the formula for finding radius

• c = π d

• c = 2 π r

• d = r/2

• r = d/2

which segment above represents the radius

• AC

• AB

• LM

find the radius of the circle

• 3 m

• 1.5 m

• 1.5

• 1.5 mm

what is the formula for finding area of a circle

• C = π r²

• A = π r²

• A = π r² / 2

• C = 2 π r

what is the formula for finding the area of a semi-circle

• A = π r²

• C = π r²

• A = π r² / 2

• A = 2 π r

what is the diameter of the inner circle

• 16 in

• 12 in

• 4 in

• 8 ft

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

what is this shape called

• circle

• semi circle

• moon

• triangle