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Geometry and Trigonometry
/ Area and volume
Difficulty: Easy
What is the area, in square centimeters, of a rectangle with a length of and a width of ?
Explanation
The correct answer is . The area, , of a rectangle is given by , where is the length of the rectangle and is its width. It’s given that the length of the rectangle is centimeters (cm) and the width is cm. Substituting for and for in the equation yields , or . Therefore, the area, in square centimeters, of this rectangle is .