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3
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two angle that have equal length and angles
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4
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in a triangle, the angle formed by two sides
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5
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the two other angle that are opposite form the angle next to the exterior angle
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6
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an acute triangle that has all equal sides and angles
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8
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an acute triangle that has all equal sides and angles
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9
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a triangle that has an angle that is bigger that is bigger than 90%
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10
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a triangle that has nothing equal
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11
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uses the coordinate plane and algebra to prove a geometric concepts
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12
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an angle made with one side and a extension of an other side
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16
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a triangle that has two equal sides and two equal base angles
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17
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a triangle that forms a triangle that equal to 90%
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