1
AssignmentMultiple Choice

Lesson 7: Figures in the Coordinate Plane

Question 1 • *STPSB_Geometry 2627 Treigle

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

Answer
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.
Mary thinks the triangle is equilateral. How…