What are the types of triangles called

    • [DOCX File]Triangles with squares

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      TRIANGLES: A polygon with 3 sides, 3 vertices (corners) and 3 angles. The sum of its interior angles is 180 degrees. Types of triangles by angles: Acute triangle - all angles are acute (< 90 ) Obtuse - one angle is more than 90 degrees. Right - one angle is exactly 90 degrees. Equilateral - all angles are 60 degrees each. Types of triangles by ...

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    • Triangles - Equilateral, Isosceles and Scalene

      Rules for Special Right Triangles: There are two special types of right triangles that we will be studying, the 45-45-90, and the 30-60-90. 45 – 45 – 90 30 – 60 – 90. This type of triangle is also isosceles. Rules for the 45-45-90 Right Triangle: If given one of the legs, multiply one leg by √2 to find the hypotenuse.

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    • [DOC File]SPIRIT 2

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      This unit is the first part of the second unit for a full-year geometry course that is aligned to the common core standards. It is a unit about triangles that revisits some concepts and procedures students experienced in middle school and also an introduction of new concepts but with an expectation that students will leave with deeper understanding.

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    • [DOC File]Right Triangle Reference Sheet:

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      Teacher: Tell students that there are 3 types of triangles: scalene, isosceles, equilateral. They will define these triangles in the exploration. Use engage to transition into learning about isosceles triangles: “One of these types of triangles is called isosceles” Some have long sides, small angles, big angles, short sides, etc.

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    • [DOC File]Step 1 Lesson Plan - Caitlin Haig

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      Triangles with Squares. ... called "a unit square," is said to have "one square unit" of area, and can be used to measure area. ... will explain patterns they noticed when looking at the side lengths and areas of the squares that form different types of triangles. Teacher instructions.

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    • [DOC File]GRE Math Review 3 GEOMETRY - ETS Home

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      Draw different types of triangles on the board and/or write triangle vocabulary on the board. Right, acute, obtuse. Isosceles, scalene, equilateral ... The other two sides, the sides that include the right angle, are called the “legs” of the right triangle. These legs may be called “a” and “b”. The hypotenuse is often called …

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    • [DOC File]LINES:

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      The following are 3 types of special triangles. Type 1: A triangle with three congruent sides is called an equilateral triangle. The measures of the three interior angles of …

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