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Published byMichelle Durow Modified about 1 year ago

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Lesson 10-3 Example Solve. FLOOR PLANS Mr. Banderas is building a house. One bedroom in the house is 17 feet long and 10 feet wide. What is the area of the bedroom? Understand Read the question. Write what you know. The length of the bedroom is 17 feet long and the width of the bedroom is 10 feet.

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Lesson 10-3 Example Plan Pick a strategy. One strategy is to use a formula. Substitute values for length and width into the area formula.

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Lesson 10-3 Example Solve Use the formula. A = l × w A = 17 ft × 10 ft A = 170 ft 2 The area of the bedroom is 170 square feet.

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Lesson 10-3 Example Check Use repeated addition to check your answer.

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