Test of Essential Academic Skills (TEAS) ATI Mathematics Practice Test

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Prepare for the TEAS ATI Mathematics Test with flashcards and multiple-choice questions. Each question comes with hints and explanations to enhance your learning. Boost your chances of passing!

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The perimeter of a rectangle is 36 cm. If the length is 10 cm, what is the width?

A. 8 cm
B. 9 cm
C. 10 cm
D. 12 cm

The correct answer is: A. 8 cm

To find the width of the rectangle, we first use the formula for the perimeter of a rectangle, which is given by: Perimeter = 2 * (Length + Width) In this problem, we know that the perimeter is 36 cm and the length is 10 cm. We can set up the equation: 36 = 2 * (10 + Width) Next, we can simplify this equation. Start by dividing both sides of the equation by 2: 18 = 10 + Width Now, to isolate the width, subtract 10 from both sides: Width = 18 - 10 Width = 8 cm Thus, the correct answer is that the width of the rectangle is 8 cm. This satisfies the given perimeter condition when plugged back into the perimeter formula, confirming the calculation is accurate.