a.
To calculate the area of the figure.
a.
Answer to Problem 15PPS
Explanation of Solution
Given information:
The figure is can be divided into a
Formula used:
Area of triangle
Area of semicircle
For calculation,
Calculation:
Area of the triangle
Formula of area of triangle
Simplify the expression
On multiplying
Area of the semicircle
Formula of area of semicircle
Simplify the expression
This leads to
Now, add the two areas to get the area of the given figure.
Hence the sum of areas
Rounding to the nearest tenth.
b.
To calculate the area of the figure.
b.
Answer to Problem 15PPS
Explanation of Solution
Given information:
The figure is can be divided into a triangle and a semicircle.
Formula used:
Area of triangle
Area of semicircle
For calculation,
Calculation:
Area of the triangle
Formula of area of triangle.
Simplify the expression
On multiplying
Area of the semicircle
Formula of area of semicircle
Simplify the expression
This leads to
Now, add the two areas to get the area of the given figure.
Hence the sum of areas
Rounding to the nearest tenth.
Chapter 11 Solutions
Pre-Algebra, Student Edition
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