Circles practice

what is Circumference?

• A circle

• The enclosed boundary of a circle

• The distance from the center to the edge of the circle

• the distance of a circle from one side to another

What is the formula for Circumference?

• 2(3.14)R

• (3.14)R^2

• C/2(3.14)

• 2R

What is a chord?

• Arrange notes

• Basis term

• A segment with endpoints on the circle

• A line between a point and another line

Which formula would you use to find the radius?

• r=d/2

• r=bh

• r=d(3.14)

• r=3.14/2

What is an arc length?

• The length of circle

• Part of a circle and its length is a part of the circumference of the circle

• A central angle separates a circle into two arcs

• The measure of an arc formed by two adjacent arcs

What does a circle measures ups to what degree?

• 360

• 180

• 90

• 240

What is x?

• 82

• 102

• 180

• 45

What is the formula for Standard Equation of a Circle?

• (x-h)^2-(y-k)^2=r^2

• 1/2d

• x/360+2(3.14)r

• 2(3.14)-180

What is x?

• 10

• 23

• 17

• 39

What does this line represent?

• Tangent

• Chord

• Radius

• Diameter