### Geometric Figures on a plane

Now let’s return to geometric figures on the plane.

Use the given information to solve the riddle of each figure. Click on the blank to check your answer.

1. I’m a rhombus with vertices A (4, 8), B (-4, 2), C (12, 2).  Find the last vertex that makes me complete. Interactive button. Assistance may be required.

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(-4, -4)

2. I’m an isosceles trapezoid with vertices U (8, 1),V (1, -1), X (1, -2) .  Find the last vertex that makes me complete. Interactive button. Assistance may be required.

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(6, -2)

3. I’m a right angle with vertices E (2, -1) and F (2, -4) forming a leg. Find three possible vertices that could make me complete. Interactive button. Assistance may be required.

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Sample answers: (6, -1), (4, -1), (-2, -4)

4.  I’m a parallelogram with vertices H (1, 0), I (-4, -2), J (-3, 1). Find the last vertex that makes me complete. Interactive button. Assistance may be required.

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(2, 3)