Flashcards
Definitions and Area: Square, Rectangle, Cube, and Triangle
Cards in this deck (8)
- 1SquareThis is defined as having all sides equal, and its interior angles all right angles (90°)
- 2Area of a SquareThe area of a square is the side length squared:
Area = a2 (a × a)
- 3RectangleA rectangle is a four-sided shape (quadrilateral) where every angle is a right angle (90°).
Also opposite sides are parallel and of equal length.
- 4Area of a RectangleThe formula for Area of a Rectangle (see image)
- 5CubeA cube is a three-dimensional figure which is box shaped and has six square faces which meet each other at right angles. It has eight vertices and 12 edges.
- 6Cube: Surface Area and VolumeSurface Area of a Cube: 6 x a2
Volume of a Cube:
a3 (a x a x a)
- 7TriangleA shape that is made up of three lines and three angles.
Types:
Acute, Obtuse, Right Angle, Equilateral, Isosceles, and Scalene
- 8Area of a TriangleArea of a Triangle
= 1/2 x bh
b = base
h = perpendicular height
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- Definitions and Area: Square, Rectangle, Cube, and Triangle
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- Oliver Balay
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