[DOC] [TLE] Types of Triangles - Regents Exam Prep Center [PAR] An Equilateral Triangle has three congruent sides. All three ... (A right angle 
measures exactly 90). An Obtuse Triangle has one angle measuring more than 
90. [DOC] [TLE] Cool math .com - Types of Triangles [PAR] Definitions and formulas for triangles including right triangles, equilateral ... The 
right triangle has one 90 degree angle and two acute (< 90 degree) angles. ... are 
by the right angle are called the legs... and the side opposite of the right angle is
... [DOC] [TLE] Topic 3 - The Monterey Institute for Technology and Education [PAR] All triangles have three sides and three angles, but they come in many different 
shapes and ... A triangle containing one right angle (1 angle that measures 90). [DOC] [TLE] Maths: Triangles - ICTeachers [PAR] An equilateral triangle has got 3 sides of equal length and 3 angles that are 
equal. Since ALL ... The right angled triangle contains a right angle (an angle of 
90). [DOC] [TLE] Right Angled Triangles - Math is Fun [PAR] right angle symbol, The little square ... It has no equal sides so it is a scalene right 
angled triangle. And, like all triangles, the three angles always add up to 180. [DOC] [TLE] Polygons and Triangles - Free Math Help [PAR] For example, a triangle is a polygon with 3 sides. ... In an equiangular polygon, 
each angle has the same degree measure. ... square is a regular polygon 
because all sides have the same length and all angles measure the same: 90 
degrees. [DOC] [TLE] Trigonometry/Angles of a triangle sum to 180 Degrees - Wikibooks ... [PAR] is a right angle, it means that the sum of the angles of any triangle is the same as 
two right angles. ... This right angle triangle has two sides the same length. [DOC] [TLE] Right Triangles | GMAT Free [PAR] Since the three interior angles of a triangle add up to 180 degrees, in a right ... 
The side opposite the right angle is called the hypotenuse. ... congruent right 
triangles forming it has an area equal to half of that rectangle. ... By studying the 
diagram, you can convince yourself that any equilateral triangle contains two 30-
60-90... [DOC] [TLE] What is a 90-degree angle? | Reference.com [PAR] A 90-degree angle has an internal angle equivalent to 90 degrees and forms a 
perfect L shape. ... Up to three vectors can be mutually orthogonal to . ... A: A 
concave quadrilateral is a shape that has four sides and contains an indentation
... [DOC] [TLE] Quia - Kelly- Triangles Review Game [PAR] Right Angle, A 90 degree angle. ... Right Triangle, A triangle which contains one 
90 degree angle. ... Equilateral Triangle, A triangle that has 3 equal sides. [DOC] [TLE] GED Math: Triangles | Open Window Learning [PAR] Also, all three angles have the same measure of 60 degrees. And this is always 
the case: an equilateral triangle has three equal sides and three equal angles. ... 
A right triangle contains a right angle which is an angle that measures 90... [DOC] [TLE] Triangle types - Avvanta [PAR] Types of Triangles. Right triangle: Has one 90 degree angle ... Scalene triangle: 
Has all three angles and all three sides different... [DOC] [TLE] Acute and Right Triangles | Wyzant Resources [PAR] Right triangles contain one 90 degree angle. Because ... Within a right triangle, 
we have three basic trigonometric ratios that we study: sine ... We refer to our 
acute angle as theta (), and label the sides of triangle in relation to theta as 
follows. [DOC] [TLE] Naming a triangle  using the three vertices of the triangle in any order [PAR] We define a triangle as a polygon that has three sides. We name a triangle ... 
Right triangle  contains one right angle and two acute angles. A triangle is right 
if... [DOC] [TLE] Quia - Geometry Vocabulary - (copy) [PAR] Acute Angle, Contains less the 90 degrees. Right ... Obtuse Angle, Contains 
between 90 and 180 degrees ... Equilateral Triangle, Has three congruent sides. [DOC] [TLE] Math

Question: It has 3 sides & contains a 90-degree angle
Answer: right triangle