How to find a parallelogram on a coordinate plane - ISEE Lower Level Quantitative Reasoning

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Question

New_vt_custom_xy_plane5

The parallelogram shown above has a height of and a base of length . Find the area of the parallelogram.

Answer

To find the area of the parallelogram apply the formula:

Since, the paralleogram has a base of and a height of the solution is:

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Question

New_vt_custom_xy_plane5

The parallelogram shown above has a height of and a base of length . Find the perimeter of the parallelogram.

Answer

In order to find the correct perimeter of the parallelogram apply the formula: , where the length of one of the diagonal sides and the length of the base.

In order to find the length of side , apply the formula: . By drawing an altitude from point to , a right triangle is formed with a base that has a length of and a height of .

Thus, the solution is:

length of side


Therefore,



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Question

New_vt_custom_xy_plane6

Identify the coordinate points for the parallelogram that is shown above.

Answer

In order to identify the coordinate points for this parallelogram, notice that there must be two different pairs of coordinates with the same values.

Thus, the parallelogram has coordinate points:

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Question

New_vt_custom_xy_plane6

What is the area of the parallelogram shown above?

Answer

To find the area of the parallelogram that is shown, apply the formula:
Since the parallelogram has a base of and a height of the solution is:

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Question

New_vt_custom_xy_plane6

Given that the above parallelogram has base sides with a length of and diagonal sides with a length of what is the perimeter of the parallelogram?

Answer

In order to find the perimeter of the parallelogram apply the formula: , where the length of one diagonal side and the length of one base.

In this problem, and .
Thus, the correct answer is:

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Question

New_vt_custom_xy_plane5

Identify the coordinate points for the parallelogram shown above.

Answer

In order to identify the coordinate points for this parallelogram, notice that there must be two different pairs of coordinates with the same values.

Thus, the correct set of coordinates is:

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