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  1. Solution: Three shapes that have all sides of equal length are a rhombus, a square, and an equilateral triangle. 2. Find the perimeter of a regular hexagon if one of its sides equals 9 inches. Solution: A regular hexagon has 6 sides of equal length. Since the side equals 9 inches, the perimeter will be:

  2. A square has equal sides (marked "s") and every angle is a right angle (90°) Also opposite sides are parallel. A square also fits the definition of a rectangle (all angles are 90°), and a rhombus (all sides are equal length). The Rhombus. A rhombus is a four-sided shape where all sides have equal length (marked "s").

  3. www.calculator.net › right-triangle-calculatorRight Triangle Calculator

    The 45°-45°-90° triangle, also referred to as an isosceles right triangle, since it has two sides of equal lengths, is a right triangle in which the sides corresponding to the angles, 45°-45°-90°, follow a ratio of 1:1:√ 2. Like the 30°-60°-90° triangle, knowing one side length allows you to determine the lengths of the other sides of a 45°-45°-90° triangle.

  4. Jul 18, 2023 · The main shapes are square, rectangle, rhombus, kite, parallelogram, and trapezoid. In geometry, a quadrilateral is a two-dimensional closed shape or polygon that has four straight sides, four corners or vertices, and four interior angles. The sum of the interior angles is 360 degrees. The word “quadrilateral” comes from the Latin words ...

  5. For example, let’s calculate the length of side a for a triangle having an angle α equal to 45°, a side b equal to 10, and a side c equal to 14. By substituting the known values into the Law of Cosines expression and rearranging, you can solve for side a. a² = 10² + 14² – 2 × 10 × 14 cos(45°) a² = 100 + 196 – 280 × 0.707

    • the lengths tab is a side of two equal length1
    • the lengths tab is a side of two equal length2
    • the lengths tab is a side of two equal length3
    • the lengths tab is a side of two equal length4
    • the lengths tab is a side of two equal length5
  6. A Square. Rectangle: In a rectangle, the opposite sides are of equal length. All the internal angles in a rectangle are 90°. The figure of a rectangle is given below. A Rectangle. Parallelogram: In a parallelogram, the opposite sides are equal in length as well as parallel. The opposite angles are equal in measurement.

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  8. A square has four sides that are equal in length. Equal lengths are shown on the diagram by hash marks annotated on each side. The opposite sides are parallel, meaning the square has two pairs of ...

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