Practice by Example Find the area of each cirde. Leave your answer in terms of r. 1. Example 1 (page 576) for GO Help 11 cm 1.7 f 30.25 cm 0.7225 ft? in. 5. Agriculture Some farmers use a circular irrigation method. An irrigation arm
Practice by Example Find the area of each cirde. Leave your answer in terms of r. 1. Example 1 (page 576) for GO Help 11 cm 1.7 f 30.25 cm 0.7225 ft? in. 5. Agriculture Some farmers use a circular irrigation method. An irrigation arm
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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The area of the segment is about 28.5 in.
353.8 ft2
Quick Check 3 A circle has a radius of 12 cm. Find the area of the smaller segment of the circle
determined by a 60° arc. Round your answer to the nearest tenth. 13.0 cm2
Resources
• Daily Notetaking Guide 10-7
L3
EXERCISES
Daily Notetaking Guide 10-7-
Adapted Instruction
L1
For more exercises, see Extra Skill, Word Problem, and Proof Practice.
Practice and Problem Solving
Closure
1
Practice by Example
Find the area of each circle. Leave your answer in terms of T.
A circle with a diameter of 10 in.
contains an inscribed square as
shown below. Find the area of
the shaded segments. Leave your
answer in terms of r.
Example 1
(page 576)
1.
2.
3.
4.
for
Help
6 m
in.
GO
11 cm
1.7 ft
9n m2
30.257 cm2
0.7225x ft2
in.2
5. Agriculture Some farmers use a circular irrigation method. An irrigation arm
acts as the radius of an irrigation circle. How much more land is covered with
an irrigation arm of 300 ft than by an irrigation arm of 250 ft? about 86,394 ft?
6. What is the difference in the areas of a circular table with diameter 6 ft and a
circular table with diameter 8 ft? about 22 ft2
(25x - 50) in.2
Lesson 10-7 Areas of Circles and Sectors
577
577
3. Practice
Example 2
(page 576)
Find the area of each shaded sector of a circle. Leave your answer in terms of r.
7.
8.
9.
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10:59 AM
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2/27/2022
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OGollo
2.
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