Lesson 8.2 Circle Vocab

A Spin on the Ferris Wheel

Learning Targets:

• Define the terms major arc, minor arc, chord, tangent line, radius, and diameter.

• Identify the measure of an arc as the measure of its corresponding central angle.

What do you notice about the Ferris wheel shown in the picture?

What do you wonder?

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A Spin on the Ferris Wheel

Math Response

Abigail is sitting in cart A and George is sitting in cart G. If Abigail is 15 ft from the center of the wheel, how far away is she from George?

Type answer here

Correct Answer: 30

Deg^°

Rad

​Bo is sitting in cart B and Karah is sitting in cart K. Is the distance between them greater than or less than the distance between George and Abigail? Explain.

A Spin on the Ferris Wheel

Math Response

What is the angle made between two adjacent spokes?

Type answer here

Correct Answer: 30

Deg^°

Rad

Math Response

How many degrees does the Ferris wheel have to turn for Abigail to make it to the position where George is currently?

Type answer here

Correct Answer: 180

Deg^°

Rad

Math Response

The Ferris wheel turns clockwise. Lorelai is sitting in cart L and Darren is in cart D. How many degrees does the wheel have to turn for Lorelai to be in Darren’s current position?

Type answer here

Correct Answer: 120

Deg^°

Rad

Math Response

The Ferris wheel turns clockwise. Lorelai is sitting in cart L and Darren is in cart D. How many degrees does the Ferris wheel have to turn for Darren to be in Lorelai’s current position?

Type answer here

Correct Answer: 240

Deg^°

Rad

Hotspot

It takes 4 minutes for the wheel to make one complete rotation. Put a circle at Bo’s location after riding the wheel for 21 minutes.