Triangles and Angles

Triangle A triangle has three sidesA triangle has three angles The three angles always add to 180

Click the arrow to go to the homepage Equilateral Triangle Three equal sidesThe small lines on each side of the triangle indicate the sides are the same length

Three equal angles, always 60The angles must be clearly classified

Click the arrow to go to the homepage Isosceles TriangleTwo equal sidesThe lengths are classified by the small dashes on two sides of the triangle Two equal anglesMust have two arcs or equal measurements on two of the corners of the triangle

Click the arrow to go to the homepage Scalene Triangle No equal sidesDoes not provide the lengths of the side or the dashes on any of the sides of the triangle No equal angles Does not provide the angles of the triangle or the arcs

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Acute Triangle All angles are less than 90Must show all angles are 90Click the arrow to go to the homepage

What type of triangle is the following?A. Equilateral Triangle B. Scalene TriangleC. Right Isosceles Triangle D. Obtuse Triangle

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