Equilateral triangle formulas

    • [DOC File]Congruent

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      • An equilateral triangle contains three sides of the same length. All equilateral triangles are also equiangular. Example 1: Classify the following triangle. Solution: The triangle has three sides of equal length, and therefore it is an equilateral triangle. All equilateral triangles …

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    • Equilateral Triangles Calculator

      Right Triangle. a. b. c. Pythagorean Theorem (for right triangles) Isosceles Triangle. Equilateral. Triangle. a. b. c. a. a. Perimeter: P = a + b + c. Area: A = ab. One (right) angle. Triangle has two equal sides and two equal angles. Triangle has three equal sides and three equal angles. Trapezoid. Parallelogram. Circle. Rectangular Solid ...

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    • [DOC File]Geometric Formulas - Green River College

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      Using Formulas ***Triangle Inequality: Find the point inside a quadrilateral so that the sum of the distance from the vertices is minimal. (Hint: what are some good guesses?) ... (ARML 2007) Equilateral triangles are erected on the sides of rectangle ABCE, facing outwards. If the sum of the areas of ABCE and triangles AEF and DEC exceeds the ...

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    • [DOC File]A Geometry WebQuest

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      Proofs of formulas for area and perimeter. Properties of three-dimensional figures. The volumes of three-dimensional figures. Use geometric mean to find segment lengths in right triangles. Apply similarity relationships in right triangles to solve problems. Find the sine, cosine, and tangent of an acute triangle.

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    • [DOC File]Triangles, Part 1

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      Find the measures of the sides of equilateral triangle FGH. Find the value of x if MN ( LN. Day 1 HW . Classify each triangle as acute, equiangular, obtuse or right. (UYZ (UXZ (UWZ (UXY. C is the midpoint of BD and E is the midpoint of DF. Classify each triangle as equilateral, isosceles or scalene. (ABC (ADF (ABD (ABC is an isosceles triangle ...

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    • [DOC File]Geometry: Curriculum Guide - Commack Schools

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      Area Formulas. square rectangle parallelogram rhombus trapezoid triangle equilateral triangle hexagon circle Other Formulas. circumference perimeter Pythagorean Theorem sine cosine tangent Euler’s Theorem Herron’s Formula Resources. The following tables contains different possible locations to search for information. Math Sites

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    • [DOC File]Lesson #1: Area of Circles

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      Square, regular hexagon, and equilateral triangle inscribed in a circle. These constructions should be applied to others throughout the school year (example: construct a line that is tangent to a circle is the same as constructing a perpendicular line through a point. ... Give an informal argument for the formulas for circumference and area of ...

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