Extra Practice Arc Length

Extra Pactice: Arc Length

Bill Zahner
Lori Jordan

Say Thanks to the Authors
Click http://www.ck12.org/saythanks

(No sign in required)

To access a customizable version of this book, as well as other AUTHORS
interactive content, visit www.ck12.org Bill Zahner
Lori Jordan

CK-12 Foundation is a non-profit organization with a mission to
reduce the cost of textbook materials for the K-12 market both in
the U.S. and worldwide. Using an open-source, collaborative, and
web-based compilation model, CK-12 pioneers and promotes the
creation and distribution of high-quality, adaptive online textbooks
that can be mixed, modified and printed (i.e., the FlexBook®
textbooks).

Copyright © 2017 CK-12 Foundation, www.ck12.org

The names “CK-12” and “CK12” and associated logos and the
terms “FlexBook®” and “FlexBook Platform®” (collectively
“CK-12 Marks”) are trademarks and service marks of CK-12
Foundation and are protected by federal, state, and international
laws.

Any form of reproduction of this book in any format or medium,
in whole or in sections must include the referral attribution link
http://www.ck12.org/saythanks (placed in a visible location) in
addition to the following terms.

Except as otherwise noted, all CK-12 Content (including CK-12
Curriculum Material) is made available to Users in accordance
with the Creative Commons Attribution-Non-Commercial 3.0
Unported (CC BY-NC 3.0) License (http://creativecommons.org/
licenses/by-nc/3.0/), as amended and updated by Creative Com-
mons from time to time (the “CC License”), which is incorporated
herein by this reference.

Complete terms can be found at http://www.ck12.org/about/
terms-of-use.

Printed: July 13, 2017

www.ck12.org Chapter 1. Extra Pactice: Arc Length

1CHAPTER Extra Pactice: Arc Length

Learning Objectives
Here you’ll learn how to find the length of an arc.

Extra Practice: Arc Length
Find the arc length of PQ in A. Leave your answers in terms of π.

1.
2.

3.

4.
Find PA (the radius) in A. Leave your answer in terms of π.

1

www.ck12.org

5.

6.

7.
Find the central angle or mPQ in A. Round any decimal answers to the nearest tenth.

8.
9.
2

www.ck12.org Chapter 1. Extra Pactice: Arc Length

10.
11. The Olympics symbol is five congruent circles arranged as shown below. Assume the top three circles are

tangent to each other. Brad is tracing the entire symbol for a poster. How far will his pen point travel?

Mario’s Pizza Palace offers a stuffed crust pizza in three sizes (diameter length) for the indicated
prices:
The Little Cheese, 8 in, $7.00
The Big Cheese, 10 in, $9.00
The Cheese Monster, 12 in, $12.00

12. What is the crust (in) to price ($) ratio for The Little Cheese?
13. What is the crust (in) to price ($) ratio for The Little Cheese?
14. What is the crust (in) to price ($) ratio for The Little Cheese?
15. Michael thinks the cheesy crust is the best part of the pizza and wants to get the most crust for his money.

Which pizza should he buy?

3

www.ck12.org
4