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Friday, April 11, 2014

Square, Rectangle, Parallelogram Problems, 6

Category: Plane Geometry

"Published in Newark, California, USA"

A window glass is 4 ft. 2 in. by 2 ft. 10 in. Find its area.


To illustrate the problem, it is better to draw the figure as follows

Photo by Math Principles in Everyday Life

We notice that the dimensions are not the same because the given units are in feet and inches. Let's convert first all the dimensions in feet only as follows

For the length of a rectangle:
For the width of a rectangle:
Therefore, the area of a rectangle which is a window glass is
You can also express your answer in terms of square inches as follows