Section B Section B Checkpoint

Problem 1

What type of quadrilateral is ABCD? Select all that apply.

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Coordinate grid. horizontal and vertical axis, 0 to 10, by 1's. Quadrilateral A, B, C, D graphed. A, 3 comma 7. B, 9 comma 7. C, 9 comma 3. D, 3 comma 3.

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Solution
A, C, D

Problem 2

  1. Which of the triangles are right triangles?

    4 triangles, from left to right. A, two equal sides, one right angle. B, two equal sides. C, no equal sides. D, no equal sides, one right angle.

  2. Which of the triangles have 2 equal side lengths?
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Solution
  1. A, D
  2. A, B

Problem 3

Fill in each blank with “always,” “sometimes,” or “never” to make each statement true.

  1. A parallelogram is _______________________ a rectangle.
  2. A rectangle is _______________________ a square.
  3. A square is _________________________ a quadrilateral.
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Solution
  1. sometimes
  2. sometimes
  3. always