In the pattern below, each small triangle is an equilateral triangle with an area of 1 square

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In the pattern below, each small triangle is an equilateral triangle with an area of 1 square unit.

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a. Reasoning Explain how you know that any triangle made out of equilateral triangles will be an equilateral triangle. 

b. Area Find the areas of the first four triangles in the pattern. 

c. Make a Conjecture Describe any patterns in the areas. Predict the area of the seventh triangle in the pattern. Explain your reasoning.

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Related Book For  answer-question

Holt McDougal Larson Geometry

ISBN: 9780547315171

1st Edition

Authors: Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

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