AnswersOH-Geometry BSpecial Parallelograms

Lesson 7: Figures in the Coordinate Plane Answers

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Mary thinks the triangle is equilateral. How would you support or dispute her conjecture?

A
Calculate the slope of all three sides, and check whether the slopes are equal.
B
Calculate the slope of all three sides, and check whether any slopes are reciprocals.
C
Use the distance formula to calculate the length of all three sides, and check whether all sides are congruent.
D
Use the distance formula to calculate the length of all three sides, and check whether any two sides are congruent.

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