An artist wants to create a rough triangular design usinguniform square tiles glued edge

Chapter 5, Problem 55

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An artist wants to create a rough triangular design using uniform square tiles glued edge to edge. She places \(n\) tiles in a row to form the base of the triangle and then makes each successive row two tiles shorter than the preceding row. Find a formula for the number of tiles used in the design. [Hint: Your answer will depend on whether \(n\) is even or odd.]

Equation Transcription:

Text Transcription:

n

n

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