Example 2 A photograph was enlarged and made into a poster. The poster is 20.5 inches by 36 inches. The scale factor is . Find the size of the photograph. Think: Poster photo 36 Write a! to find the length I. %3D 5/ = Find thei products. Divide. 20.5 Write a! to find the width w. %3D Find the cross! Divide. The photo is in, long and in. wide.
Example 2 A photograph was enlarged and made into a poster. The poster is 20.5 inches by 36 inches. The scale factor is . Find the size of the photograph. Think: Poster photo 36 Write a! to find the length I. %3D 5/ = Find thei products. Divide. 20.5 Write a! to find the width w. %3D Find the cross! Divide. The photo is in, long and in. wide.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:S Grades/Attendance | Schoology
9 Schoology
schooloGY
COURSES
GROUPS
RESOURCES
GRADES
00
ale Drawings and Scale Models Exit Slip
POSI
rag and drop the correct response to each box.
LESSON Proportional Relationships
Scale Drawings and Scale Models, continued
Example 2
A photograph was enlarged and made into a poster. The poster is 20.5
inches by 36 inches. The scale factor is . Find the size of the photograph.
Think: Poster
photo
%3D
36
Write a!
to find the length I.
%3D
5/ =
Find thei
products.
Divide.
20.5
Write a!
to find the width w.
Find the cross
Divide.
The photo is
in, long and
in. wide.
: 4.1
:: products
:: 7.2
:: 180
: 36
: cross
:: proportion
: 5w
: 7.2
:: 4.1
:: 20.5
: 102.5
: proportion
Transcribed Image Text:5:21 PM Mon Mar 15
AA
A mpsk12alus.schoology.com
9 Grades/Attendance | Schoology
9 Schoology
Scale Drawings and Scale Models Exit Slip
POSSIBLE
Drag and drop the correct response to each box.
LESSON Proportional Relationships
Scale Drawings and Scale Models
Know it!
Note
Lesson Objectives
Understand ratios and proportions in scale drawings; use ratios and proportions
with scale
Vocabulary
scale drawing
scale factor
scale model
scale
Additional Examples
Example 1
Identify the scale factor.
Room Blueprint
Length (in.)
18
144
Width (in.)
108
13.5
blueprint length
room length
Nrite a!
using one of
the dimensions.
Simplify.
The scale factor is
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