Question About Computing Actual Areas from a Scale Drawing
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Question About Computing Actual Areas from a Scale Drawing

[From: ] [author: ] [Date: 13-10-31] [Hit: ]
net/Portals/Tulsa/Curriculum/docs/Math/Grade%207/unit%201/Lessons/Lesson%2019.and then go to page 9 and you will see this question, question 1, along with a picture of the rectangle and the answer to this question which is the scale factor is 1/3.Can you please explain how to get the answer 1/3? Im confused.......
The questions is as follows: The shaded rectangle shown below is a scale drawing of a rectangle whose area is 288 square feet. What is the scale factor of the drawing? (Note: each square on grid has a length of 1 unit).

Please go to this link: http://tulsa.curriculum.schooldesk.net/Portals/Tulsa/Curriculum/docs/Math/Grade%207/unit%201/Lessons/Lesson%2019.pdf

and then go to page 9 and you will see this question, question 1, along with a picture of the rectangle and the answer to this question which is the scale factor is 1/3.

Can you please explain how to get the answer 1/3? I'm confused.

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Rectangle is 8 units by 4 units => 32 square units
Actual area of rectangle is 288 square feet
scale factor is 32 square units : 288 square feet
=> 1 square unit : 9 square feet
=> 1 unit : 3 feet
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keywords: Areas,Scale,About,Computing,from,Drawing,Question,Actual,Question About Computing Actual Areas from a Scale Drawing
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