Given that the circumference C of a circle with radiusr is C = 2r, explain why the area of the circle is A = ar2 in the following two ways: %3D (a) Using moving and additivity principles to create a rectangle: (b) Using moving and additivity principles to create a triangle:

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
icon
Related questions
icon
Concept explainers
Question
Need help for a and b
Given that the circumference C of a circle with radius r is C = 2TT, explain why the area of the circle is
A = Tr2 in the following two ways:
(a) Using moving and additivity principles to create a rectangle:
(b) Using moving and additivity principles to create a triangle:
Transcribed Image Text:Given that the circumference C of a circle with radius r is C = 2TT, explain why the area of the circle is A = Tr2 in the following two ways: (a) Using moving and additivity principles to create a rectangle: (b) Using moving and additivity principles to create a triangle:
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Points, Lines and Planes
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, trigonometry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Trigonometry (11th Edition)
Trigonometry (11th Edition)
Trigonometry
ISBN:
9780134217437
Author:
Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:
PEARSON
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning
Algebra and Trigonometry
Algebra and Trigonometry
Trigonometry
ISBN:
9781938168376
Author:
Jay Abramson
Publisher:
OpenStax
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning