# Geometric Proof Teacher Resources

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**1**-**20**of**77**resources#### New! Pennant Pride

Your young designers use geometric concepts and isosceles triangle properties to create a blue print for a pennant with specific criteria. Second, they write a geometric proof outlining the correlation between base angle measures and the side measures of their pennant. Finally, follow-up questions guide your pennant designers in a discussion about the geometry used in this math task.