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Mathematics

9th - 12th Grade

Used 4+ times

GM-U9.2 LC: Proving Polygons in the Coordinate Plane
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13 questions

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1.

OPEN ENDED QUESTION

15 mins • 3 pts

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Describe the steps used to prove the polygon a right triangle.

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2.

OPEN ENDED QUESTION

15 mins • 3 pts

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Describe the steps used to prove the polygon a rectangle.

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3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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Which of the following must be true for the triangle to be isosceles?

AC = BC

C = B

A = C

AB = BA

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

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Which of the following must be true for the triangle to be equilateral?

AC = BC

∠A≅∠B\angle A\cong\angle B

∠B≅∠C\angle B\cong\angle C

AB = BC

5.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

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Which of the following must be true for polygon ABCD to be a parallelogram?

AD∥BCAD\parallel BC

AB∥DCAB\parallel DC

∠A≅∠C\angle A\cong\angle C

∠B≅∠D\angle B\cong\angle D

A=121 units2A=121\ units^2

6.

LABELING QUESTION

3 mins • 2 pts

Find and label the congruent acute angle to angle D and the congruent obtuse angle to A prove the polygon a parallelogram.

a
b
53\sqrt[]{53}
74°74\degree
77
106°106\degree

7.

LABELING QUESTION

3 mins • 2 pts

Find and label the congruent side to DC and the congruent side to AD prove the polygon a parallelogram.

a
b
53\sqrt[]{53}
1313
74°74\degree
106°106\degree
77

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