Shape 1 ∆ Shape 2∆∆∆ Shape 3 ∆∆∆∆∆∆ Shape 4∆∆∆∆∆∆∆∆∆∆ 1. Describe what is happening as the shapes are growing. 2. How many toothpicks will used in shape 7? 3. Write the algebraic expression for the numbers of toothpicks in a given shape.
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i dont know these question
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Step-by-step explanation:
1. the no. of triangles are increasing
2.21
3
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