Chapter 8.1, Problem 16E

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Chapter
Section

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

# In Exercises 9 to 18, find the areas of the figures shown or described.

To determine

To find:

The area of given figure.

Explanation

1) Formula:

Finding the area of the figure is followed by identifying the figure and find area with the suitable geometry formulae,

Area of rectangle A=lwÂ unit2

Where, l is the length of rectangle and w is the width of rectangle.

Area of triangle A=12bhÂ unit2

Where, b is the base of triangle and h is the height of triangle.

2) Calculation:

Given,

This is the compound figure of rectangle and triangle.

AreaÂ ofÂ givenÂ figure(A)=AreaÂ ofÂ rectangle(A1)+AreaÂ ofÂ aÂ triangle(A2)

Area of rectangle:

A1=lwÂ unit2

Where, l is the length of rectangle 10 ft

w is the width of rectangle 9 ft

A1=10(9)

A1=90Â ft2

Area of triangle:

A2=12bhÂ unit2

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