# Triangles: Basic Terminology

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## You'll practice identifying triangles and their parts.

Created Date 06.12.15
Last Updated 06.12.15
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Topics of this game:
• The three angles of an equilateral triangle are equal.
• A triangle having three unequal sides is called a(n) ________ triangle.
• A triangle having two equal sides is called a(n) ________ triangle.
• The two equal sides of an isosceles triangle are often called the ________ of the triangle.
• The side of an isosceles triangle that is not equal in length to the other two sides is often called the ________ of the triangle.
• The two angles of an isosceles triangle that are opposite the two equal sides are often called the ________ of the triangle
• A triangle having three equal sides is called a(n) ________ triangle.
• An equilateral triangle can also be called a(n) ________ triangle.
• A triangle having an angle measuring 90° is called a(n) ________ triangle.
• In a right triangle, the side opposite the right angle is called the ________ of the triangle.
• In a right triangle, the two sides that are not the hypotenuse are often called the ________ of the triangle.
• In a right triangle, how does the length of the hypotenuse compare to the lengths of the legs?
• A triangle having no right angles is called a(n) ________ triangle.
• A triangle having all three angles less than 90° is called a(n) ________ triangle.
• A triangle having one angle greater than 90° is called a(n) ________ triangle.
• Which of the following types of triangles could correctly be called a "regular" triangle?
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