Lesson 7: Figures in the Coordinate Plane Answers
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1
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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.2
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Triangle ABC is an isosceles triangle in which sideAB = AC. What is the perimeter of triangle ABC?
A
5 + units
B
10 + unitsC
units
D
50 unitsDid you find these answers helpful?
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