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[DOC File]Math Club Worksheet #1 - Stanford University
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“A triangle has 3 sides and 3 angles.” “A triangle cannot have 2 right angles or 2 obtuse angles, but it can have 3 acute angles.” “The sum of the three angles of a triangle is always 180º.”
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Triangle with Two Sides Equal | Study Math Online
In an isosceles triangle,_____ sides are equal, therefore _____ angles are equal. Vertex Angle-Base-Base Angles-Legs-Theorem Example Isosceles Triangle Theorem. If two sides of a triangle are congruent, then the angles opposite the sides are congruent. If RT ( RS, then (_____ ( (_____.
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[DOC File]Van Hiele Geometry Test
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If two sides and the included angle of the first triangle are congruent to the corresponding parts of the second triangle, then the correspondence is a congruence. A16 The Parallel Postulate: Through a given external point there is at most one line parallel to a given line.
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[DOC File]Lesson #1: Area of Circles
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In the Gizmo, drag the vertices to make a triangle with sides that are all about equal lengths. Imagine that your triangle is a map. Do you think c or a + b is the shortest route from point A to B? ... The lengths of two sides of a triangle are 3 feet and 9 feet. Find the …
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[DOC File]Triangle Inequalities - Dolfanescobar's Weblog
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In the Gizmo, drag the vertices to make a triangle with sides that are all about equal lengths. Imagine that your triangle is a map. Do you think . c. or . a + b. is the shortest route from point . A. to . B? Select ... The lengths of two sides of a triangle are 3 feet and 9 feet. …
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[DOC File]OBJECTIVES: To classify triangles using criteria such a ...
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• An isosceles triangle contains two sides of the same length. All isosceles triangles also have two equal angles. • 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 …
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[DOCX File]Triangle Inequalities
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d. isosceles - A triangle in which two sides are of equal length. e. right triangle - A triangle in which one of the angles equals 90(. Quadrilaterals Definition. a. square - Four equal sides and all angles equal 90(. b. rectangle - Two sides equal lengths and all angles equal 90(. c. trapezoid - Only two sides …
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[DOC File]Triangles - UH
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All triangles have 3 sides and 3 angles. The sum of the triangles angles is 180 degrees. Isosceles triangles are triangles with two sides of equal length and two angles of equal degree. Equilateral triangles are triangles with three sides of equal length and three angles of equal degree.
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[DOC File]Congruent - Lancaster Schools
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The two diagonals have the same length. Each diagonal bisects two angles of the rhombus. The two diagonals are perpendicular. The opposite angles have the same measure. All of (A)-(D) are true for every rhombus. An isosceles triangle is a triangle with two sides of equal length. Here are 3 examples: Which is true about isosceles triangles?
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Triangle with two sides equal