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Match each triangle part to its rule

Exercise and reference answers

Matching pairs
  1. Left
    Angle sum
    Right
    One hundred and eighty degrees in total
  2. Left
    Perimeter
    Right
    The sum of the lengths of the three sides
  3. Left
    Area
    Right
    One half of the base times the height
  4. Left
    Height
    Right
    A line to the opposite vertex at 90 degrees
  5. Left
    Right triangle
    Right
    A triangle holding one ninety degree angle
  6. Left
    Vertices
    Right
    The three corner points that name it
Instructions
Tap a triangle quantity, then tap the statement that defines it.

Explanation

_Source: OpenStax Elementary Algebra, section 3.4 Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem_
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