Select all that apply.

Find the midpoint of the diagonals.

Find the slope of the diagonals.

Find the length of the diagonals.

Diagonals in a rhombus are not perpendicular, so this is not a good method.

How do we prove a triangle is an isosceles triangle?

Show that two sides are congruent

Prove all sides are different lengths

Show that the three sides satisfy the pythagorean theorem

Show that opposite angles are congruent

How do we prove a triangle is a right triangle?

Show that the three sides satisfy the pythagorean theorem

Prove all sides are different lenghts

Show that opposite angles are congruent

Show that two sides are congruent

How do you prove a quadrilateral is a parallelogram?

Both pairs of opposite sides are congruent

One pair of opposite sides are congruent

Both pairs of opposite sides are congruent and diagonals are congruent

How do you prove a quadrilateral is a Rectangle?

Both pairs of opposite sides are congruent and diagonals are congruent

Both pairs of opposite sides are congruent

One pair of opposite sides are congruent

How do you prove a quadrilateral is a Rhombus?

All sides are congruent and diagonals are congruent

How do you prove a quadrilateral is a Square?

All sides are congruent and diagonals are congruent

How do you prove a quadrilateral is a Trapezoid?

One pair of opposite sides are parallel and the other pair is not parallel

Both pairs of opposite sides are parallel

How do you prove a quadrilateral is an Isosceles Trapezoid?

One pair of sides is parallel and the non parallel sides are congruent

Coordinate Geometry Quadrilateral Proofs

Authored by Rose Suarez

Mathematics

8th - 10th Grade

CCSS covered

Used 13+ times

Coordinate Geometry Quadrilateral Proofs

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35 questions

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MULTIPLE SELECT QUESTION

45 sec • 1 pt

What formula do we use to find the length of a side of a figure? Check all that apply.

Midpoint Formula

Slope Formula

Pythagorean Theorem

Distance Formula

Tags

CCSS.HSG.GPE.B.7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula should be used to prove lines are parallel or perpendicular?

Distance Formula

Slope Formula

Midpoint Formula

Pythagorean Theorem

Tags

CCSS.HSG.GPE.B.4

CCSS.HSG.GPE.B.5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which formula is used to determine if two lengths are bisecting?

Slope

Midpoint

Distance

Tags

CCSS.HSG.GPE.B.6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which formula is shown?

Slope

Distance

Midpoint

Tags

CCSS.HSG.GPE.B.7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What formula is shown?

slope

distance

midpoint

Pythagorean Theorm

Tags

CCSS.HSG.GPE.B.7

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula for midpoint?

a²+b²=c²

Tags

CCSS.HSG.GPE.B.6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1

Find the lengths of the diagonals.

Find the slope of each diagonal.

Find the midpoint of each diagonal.

Find the midpoint of each side.

Tags

CCSS.HSG.CO.C.11

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