MTH208B Geometry Unit 3 Practice

Sophia is cutting a large circular pizza. She wants to make a straight cut that just touches the edge of the pizza at one point. What is this type of line called in relation to the circular pizza?

• Tangent
• Radius
• Diameter
• Chord

At the carnival, Max notices a straight pole that touches the Ferris wheel at exactly one point. His friend Liam says it's a secant line, but Max disagrees. Who is correct and why?

• Max is wrong. A line that touches a circle at one point is a secant.
• Max is correct. A line that touches a circle at only one point is a tangent line, not a secant line.

Emma lays a hula hoop flat on the ground. She places a ruler so it crosses through the hoop, touching it at two points. What is this type of line called in relation to the hula hoo

• Chord
• Tangent
• Double Tangent
• Secant

Jordan draws a circle and then adds a line that barely touches the circle at one point. He then draws a line from the center of the circle to this touching point. What will be the measure of the angle between these two lines?

• The measure of the angle between a tangent line and a radius at the point of tangency is always 60°.
• The measure of the angle between a tangent line and a radius at the point of tangency is always 90° (a right angle).

A circular skateboard ramp has a radius of 5 feet. If a tangent line is drawn at any point on the ramp's edge, what will be the angle between this tangent line and the ramp's radius at that point?

• The angle will be 90° (a right angle).
• The angle will be 120°.
• The angle will be 30°.
• The angle will be 360°.

Lily draws a straight line that touches a circle at exactly one point. What is this single point where the line meets the circle called?

• This point is called the point of secantcy.
• This point is called the point of rizz
• This point is called the point of tangency.
• This point is called the point of radius diameter.

Tom notices that when his bicycle is standing still, only one point of the wheel touches the ground. What type of line does the ground form in relation to his circular wheel?

• The ground forms a secant line to the circular wheel.
• The ground forms a tangent line to the circular wheel.
• The ground forms a chord line to the circular wheel.
• The ground forms a circumference to the circular wheel.

Mia draws two circles that cross each other at two points. She then draws a line through these two points. What is this line called in relation to both circles?

• This line is a secant line for both circles.
• This line is a connecting radius line for both circles.
• This line is a circumference for both circles.
• This line is the line for Mcdonalds.

Ryan draws a circle and then adds two lines: one that touches the circle at only one point, and another that crosses through the circle at two points. What are these lines called?

• The line touching at one point is a tangent line, and the line crossing at two points is a diameter.
• The line touching at one point is a secant line, and the line crossing at two points is a tangent line.
• The line touching at one point is a secant line, and the line crossing at two points is a secant line.
• The line touching at one point is a tangent line, and the line crossing at two points is a secant line.

Sarah draws a circle with a radius of 4 inches. She then draws a tangent line at one point on the circle. If she measures the angle between the radius to that point and the tangent line, what will it be?

• The angle will measure 365°.
• The angle will measure 90° (a right angle).
• The angle will measure 120.
• The angle will measure 180°.