Mary thinks the triangle is equilateral. How would you support or dispute her conjecture?
1–1undefined
equalnegative reciprocalsreciprocals
congruentparallelperpendicular
[___] units
20
Prove the diagonals of the square with vertices P(0, 4), Q(4, 4), R(0, 0), and S(4, 0) are perpendicular bisectors of each other. Step 1: Calculate the slope of the diagonals.
–101
(0, 4) (2, 2)(4, 2)
(4, 0)(2, 2)(2, 4)
parallel and share the same midpointperpendicular and share the same midpointthe same length
23364665
Triangle ABC is an isosceles triangle in which sideAB = AC. What is the perimeter of triangle ABC?
Which steps will verify that a parallelogram is a rectangle? Check all that apply.Calculate the lengths of the diagonals, and show that they are equal.Calculate the lengths of all sides, and show that both pairs of opposite sides are congruent.Calculate the slope of each diagonal, and show that the lines are perpendicular.Calculate the midpoints of each diagonal, and show the diagonals bisect each other.Calculate the slopes of every side, and show that adjacent sides are perpendicular.
–101
Which statement proves that quadrilateral HIJK is a kite?
–10undefined
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