Obtuse triangle formulas
[DOC File]Lesson #1: Area of Circles
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Obtuse triangle: If , then it is an obtuse triangle. Special right triangles: 30-60-90, 45-45-90. 30-60-90: Hypotenuse is twice the short leg, long leg is times the short leg. 45-45-90: Hypotenuse is times each leg. Trigonometry: used to find the lengths of sides in a right triangle when Pythagorean thm. or special triangles won’t work.
[DOC File]Triangles, Part 1
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Acute Triangle Right Triangle Obtuse Triangle Equiangular Triangle all. acute angles one. right angle one . obtuse angle all. equal (congruent) angles *** There can be at most . one right . or . obtuse. angles in a triangle. If all three angles of an acute triangle are congruent, then the triangle is an _____ triangle.
Types of Triangles: Acute and Obtuse - ThoughtCo
Triangle Inequality . a+b>c *Extended Law of Sines* Law of Cosines. a2=b2+c2-2bc cosA. Pythagorean Theorem. a2+b2=(>,
[DOC File]Congruent
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An obtuse angle is any angle greater than 90º . Because the sum of the angles in a triangle is equal to 180º , there is never more than one obtuse angle in a triangle. • An acute triangle contains three acute angles. An acute angle is any angle less than 90º. • An equiangular triangle contains three angles with the same measure.
[DOC File]GEOMETRY STAR TEST STUDY GUIDE - Kim
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The probability of forming an acute triangle is 3873 19600 =.1976 and the probability of forming an obtuse triangle is 5607 19600 =.2861 . So if your opponent formed an obtuse triangle the probability of you winning is .1976+.0010=.1986 ; however, if your opponent can form an acute triangle then your chances of winning is only .1%.
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