CIRCLE BASICS AND TANGENT PROPERTIES Period 5

Which shows a tangent line?

• 
• 
• 
• 

If a line is tangent to a circle, then it is ________ to the radius drawn to the point of tangency.

• parallel

• adjacent

• supplementary

• perpendicular

The polygon circumscribes the circle. Find the perimeter.

• 78

• 84

• 72

• 86

Assume that the lines that appear to be tangent are tangent. O is the center of the circle. Find the value of x to the nearest tenth.

• 11.7

• 10.8

• 13.0

• 14.2

Two tangents CD and CB intersect circle A. Find the length of the tangent segment BC.

• 2
• 3
• 9
• 14

Find the perimeter

• 48.8
• 47.4
• 39.8
• 36.4

• Secant
• Diameter
• Radius
• Chord

• Secant
• Diameter
• Radius
• Chord

• Secant
• Diameter
• Tangent
• Chord

What is the definition of a radius of a circle.

• A line segment from the centre of a circle to the circumference.
• The perimeter of a circle.
• A line segment joining two points on the circumference of a circle, that goes through the centre of the circle.
• A line segment joining two point on the circumference.