a.
Todescribe:the geometric figurewhose area is find.
a.
Answer to Problem 22PPS
Area of the figure is sum of the area of the
Explanation of Solution
Given:
Aninvestigation of area of composite figure is shown below:
Calculation:
Consider the figure,
The objective is to describe the figure.
The figure is a combination of a rectangle and a triangle.
therefore, the area of the figure is sum of the area of the triangle, plus the sum of the area of the rectangle.
b.
To list: the formula that is used to find the area of composite figure.
b.
Answer to Problem 22PPS
Explanation of Solution
Given:
An investigation of area of composite figure is shown below:
Calculation:
Consider the figure,
The objective is to find the area of the figure.
The area Aof rectangle is
Therefore, area of rectangle is
And the area of the triangle is
Therefore, the area of the figure is
Hence, the area of the figure is
c.
To make:a conjecture about how the area of the composite figure change if its dimensions are doubled.
c.
Answer to Problem 22PPS
Explanation of Solution
Given:
The dimensions of rectangle are
And the dimensions of triangle is
Calculation:
The objective is to describe find the area of composite figure.
The area A of rectangle is
Therefore, area of rectangle is
And the area of the triangle is
Therefore, the area of the figure is
Hence, the area of the figure is
Chapter 11 Solutions
Pre-Algebra, Student Edition
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