Study Guide : Geometry Checkpoint Practice

1) Match the following terms and illustrations of those words:

• obtuse angle

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• ray

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• right angle

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• acute

  angle

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• point

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2a) Which of these pattern block shapes has NO obtuse or right angles?

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2b) Which of these pattern blocks has exactly two 30^o angles?

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2c) Which of these pattern blocks has only one pair of parallel sides?

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2d) Which of these pattern blocks has two pairs of perpendicular sides?

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3) Which of the following statements are true about right angles?

• A right angle measures less degrees than an obtuse angle.

• All the angles in the yellow pattern block are right angles.

4) Which of the following statements are true about straight angles?

• A straight angle measures more than an obtuse angle.

• If you put two square pattern blocks together the two touching interior angles make a straight angle.

5a) Where do you see an angle(s) that measure less than 90 degrees?

5b) Where do you see an angle(s) that measure exactly 180 degrees?