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Triangle Inequality (Exterior Angle Theorem)

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    Find the measure of the indicated angle in the picture.
  •   Study   Slideshow
  • Find the measure of the angle indicated in the picture.
    93° or 93 degrees
  •  5
  • Find the measure of the angle indicated in the picture.
    47° or 47 degrees
  •  5
  • Find the measure of the angle indicated in the picture.
    29° or 29 degrees
  •  5
  • Find the measure of the angle indicated in the picture.
    74° or 74 degrees
  •  5
  • Find the measure of the angle indicated in the picture.
    50° or 50 degrees
  •  5
  • A closed figure with 3+ straight sides.
    Polygon
  •  5
  • A parallelogram with all sides equal.
    Rhombus
  •  5
  • A 4-sided figure with sides and angles that are not all equal.
    Irregular Quadrilateral
  •  5
  • Opposite sides are parallel and equal.
    Parallelogram
  •  5
  • Only one pair of parallel sides.
    Trapezoid
  •  5
  • Opposite sides are equal and all angles are 90°.
    Rectangle
  •  5
  • A rectangle with all sides equal.
    Square
  •  5
  • What is this formula used for? A = bh
    Area of a parallelogram
  •  5
  • What is this formula used for? A = 1/2bh
    Area of a triangle
  •  5
  • What is this formula used for? A = 1/2(b1+b2)h
    Area of a trapezoid
  •  5
  • Can you form a triangle with these side lengths? 10, 9, 7
    Yes
  •  5