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Areas of Shapes definitions

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  • Triangle
    A three-sided polygon whose area can be calculated using a specific formula involving base and height.
  • Graph
    A visual representation with axes used to plot points and shapes for area calculations.
  • Base
    A horizontal or slanted segment of a triangle, measured as the difference between two coordinates.
  • Height
    A perpendicular or vertical segment from the base to the opposite vertex, found by subtracting coordinate values.
  • Area
    A measure of the space inside a shape, calculated for triangles using a formula involving base and height.
  • Formula
    A mathematical expression used to compute the area of a triangle, typically written as 0.5 times base times height.
  • Unit
    A standard measurement used to express the length of base and height on a graph.
  • Coordinate
    A numerical value representing a point's position on the graph, essential for determining base and height.
  • Segment
    A straight line connecting two points, often used to define the base or height of a triangle.
  • Decimal
    A numerical format used in area calculations, especially when dividing numbers like 9 by 2.
  • Fraction
    A numerical expression representing part of a whole, used in area calculations such as 9 over 2.
  • Visual Aid
    A highlighted or labeled element on the graph that helps clarify the calculation process.
  • Axis
    A reference line on the graph, either horizontal or vertical, used to measure coordinates.
  • Polygon
    A closed shape with straight sides, of which the triangle is a specific example.
  • Region
    A specific area on the graph, often highlighted, representing the part of the triangle being calculated.