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[DOC File]Right Triangles
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1. Determine the length of the altitude of an equilateral triangle whose side lengths measure 5 units. (Adapted from OSPI Geometry Crosswalk) 2. If one leg of a right triangle has length 5 and the adjacent angle is 30°, what is the length of the other leg and the hypotenuse? (Adapted from …
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[DOC File]Special Right Triangles Review Problems
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An equilateral triangle is very special since all three medians are equal, and each is also the _____, _____, and part of the _____. When will the angle bisector of an angle intersect the opposite side in the same place that the inscribed circle intersects that side?
formulas for equilateral triangles

Python Program to find Area of an Equilateral Triangle
Have students construct an altitude to create two 30°-60°-90° triangles (discuss with students why constructing the altitude in an equilateral triangle produces two 30°-60°-90° triangles). Identify the parts of the 30°-60°-90° triangle as short leg, long leg, and hypotenuse.
equation for equilateral triangle

[DOC File]Geometry
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[NYSML 1984] In triangle ABC altitude AH and median BM intersect inside the triangle and are equal. If
altitude of a triangle formula

[DOC File]Richland Parish School Board
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: The area of an equilateral triangle is (3/4 times the square of the length of one side: A = s2(3 . Consider the right triangles formed and use the Pythagorean Theorem: Use the formula for the area of a triangle: Sample Problems: 1. Find the altitude of the equilateral triangle with a side of 6. h = 2.
isosceles and equilateral triangles

[DOC File]GEOMETRY TAXONOMY WORDS
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ASA Triangle Congruence Postulate. AAS Triangle Congruence Theorem. Similar Polygons. Similar Polygons and Proportions. AA Triangle Similarity Postulate. SAS Triangle Similarity Theorem. SSS Triangle Similarity Theorem. Altitude of a Triangle. Median of a Triangle. Concurrency of Medians of a Triangle. 30°-60°-90° Triangle Theorem. 45°-45 ...
equilateral triangle calculator

[DOCX File]Geometry Vocabulary Cards
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An equilateral triangle . ABC. ... Cleo is looking at an airplane flying at an altitude of 3 miles. Her angle of elevation is 37 degrees. About how far is the land distance from Cleo to the plane? ... Substitute that value for h into the formula for the area of the triangle to give a formula for the area of the triangle…
equilateral triangle in a circle

[DOC File]Special Right Triangles Review Problems
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Equilateral triangle- A triangle with three congruent sides (and angles). Equiangular triangle- A triangle with three congruent angles. Exterior of an angle- All points not on the angle or in its interior. Hypothesis- the “if” part of a conditional statement. Hexagon- A polygon with six sides.
equilateral triangle find altitude

[DOC File]NAME ________________________ Medians, Angle Bisectors ...
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8. The legs of an isosceles right triangle have the length “s”. What is the length of the hypotenuse with respect to s? 9. An equilateral triangle has a side of length “s”. Find the altitude to a side in terms of “s”. 10. What is the length of a side of an equilateral triangle whose altitude …
equilateral triangle formula sides

[DOC File]Triangles, Part 1
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1. Determine the length of the altitude of an equilateral triangle whose side lengths measure 5 units. 2. If one leg of a right triangle has length 5 and the adjacent angle is 30°, what is the length of the other leg and the hypotenuse? 3. If one leg of a 45°–45°–90° triangle …
formulas for equilateral triangles

Altitude of equilateral triangle formula