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Mathematics

9th -

10thgrade

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Triangle Sum Theorem

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10 questions

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  • 1. Multiple Choice
    1.5 minutes
    1 pt
    Image
    Find the measure of the angle indicated. 
    139°
    66°
    138°
    116°
  • 2. Multiple Choice
    1.5 minutes
    1 pt
    The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 
    45°
    90°
    180°
    360°
  • 3. Multiple Choice
    1.5 minutes
    1 pt
    What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?
    43
    58
    72
    101
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