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Introduction |
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Triangles are classified on the basis of the lengths of their sides as scalene, isosceles, or equilateral triangles. When any two sides of a triangle are equal it is called as an "isosceles triangle". The unequal side is called its base and the angle opposite the base is called the "vertical angle". |
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Theorem |
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If two sides of a triangle are equal, the angles opposite to them are equal. |
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Theorem 2(converse of Theorem 1) |
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If two angles of a triangle are equal, the sides opposite to these angles are equal. |
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Summary |
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If two sides of a triangle are equal, the angles opposite to them are equal. |
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Question and Answers |
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Isosceles Triangles |
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