Geometery Cary High Unit 11 special paralleograms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| midline of a triangle : | is the line of joining the midpoint of two sides of a triangle
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| The mid line of a triangle | is // to the 3rd side of the triangle
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| The mid line of a triangle is half | as long as the 3rd side
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| If a line containing the midpoint of one side of a triangle is // to the 2nd of a triangle | then also contains the midoint of the 3rd side of the triangle
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| If 3 or more // lines cuts off seg. on trans. then | cut off congruent seg on every trans.
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| Varignon's Theorem | If themidpoint of the side of any quad are joined then form a parallograme
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| Trapezoid | If a quad and has exactly one pair of opp. sides // then trapezoid.
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| Isosceles Trapeziod | If a Trapeziod who's non // sides are congrunet then isos trap.
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| If a quad is a trap. and legs are congrunet then | Isosceles Trapezoid
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| If a qud ia a trap. and has one pair of base angles congrunet then | isosceles trapezoid
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| If a quad is a trap. and has congruent diagonals | then isosceles trapezoid
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| Median Of Trapezoid | a seg. that joins the midpoint of non // side of a trap.
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| If a median of a trapezoid then | seg. joins midpoints of non // sides of trap.
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| If a seg. is the median of a trapezoid then | it is // to bases
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| If seg. is a median of a traoezoid then | length is half the sum of the lengths of thebases
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| If rhombus then four | sides congrunt
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| If rhombus then diagonal | perpendicular
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| If a rhombus then diagonal bisect | its angles
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| square | If a quad. with 4 right angles and four congruent sides then square
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| If paraolleogram has perpendicular diagonals then | Rhombus
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| If a paraolleograme has consect. congrunet sides then | rhombus
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| If diagonals of paraellograme bisect angles of parallelograme then | rhombus
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| rectangle | If a quad. with four right angles then a rectangle
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| If a quad has 4 rt angles then | rect.
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| If a paralleograme has congruent diagonals | then rect
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| If a paralleograme has one rt. angle | then rect
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| If a quad has 3 rt. angles | the rect.
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| The median to the hyp. of a rt. triangle is | half as long as the hyp.
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| Hyp. of rt. triangle is twice as | long as the median to hyp.
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| If a quad is a rect. with consecutive congurent sides | then a square
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| If a quad is a rect with diagonals bisecting | one of it's angels then square
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| If a quad is rect with perpendicular diagonals | then square
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| If a quad is a rhombus with rt angles then | square
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| If a quad is a rhombus with congruent diagonals | then square
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| rhombus | If a quad. with four right sides congruent then a rhombus
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