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28 Cards in this Set
- Front
- Back
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acute triangle
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a triangle in which all of the sides are acute angles
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acute angle
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an angle less than 90
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angle bisector
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ray that divides an angle in to two congruent parts
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base angles
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angles at the base of a shape
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base
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bottom of the shape
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congruent
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having same measures
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altitude of triangle
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segment from verticies of the triangle of line containg oppiste side, and perpendicular to side
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altitude of prism or cylender
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segment perpendicular to bases with an endpoint in each plane
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altitude of pryimid or cone
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segment that has vertex as one endpoint is perpendicular to base
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right triangle
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triangle with right angle side oppiste angle is called hypontenous
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equilarderal triangle
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triangle with all side congruent
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obtuse triangle
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triangle with obtuse angle in it
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isosceles triangle
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triangle with at least two congruent sides, congruent sides called legs
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scalene triangle
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triangle with no congruent sides
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legs (isoslese triangle)
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two legs that are congruent
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vertex angles
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angles fromed by two lines that connect that form a angle
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parallel
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coplanar lines that do not intersect
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equilareral triangle
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triangle with all sides equal
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exterior angle
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angle formed by 1 side of triangle and extension of another side
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remote angle
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angles of triangle that are not adacent to a given exterior angle
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right angle
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angle that is exactly 90
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slope
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for a nonvertical line containg two points and the number m
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triangle
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three lines that form togather to form three angles
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median
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lien segment with endpoints that are vertex of a triangle and the mid point of the sides oppiste the vertex
segment that joins the legs ina trapizoid |
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perpendicular bisector
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triangle, line, segment, or ray that passes through the midpoint of a side and is perpendicular to side
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side-side-side congruence
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if the side of the triangle are congruent to side of the second triangle the triangle are congruent
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side-angle-side congruence
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two sides and the included angle of one triangle are congruent two sides and the included angle of another triangle the triangle are congruent
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angle-angle-side congruence
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two angles and the nonincluded side of one triangle are congruent to the corresponding two angles and sid eof the second triangle then two triangles are congruent
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