8-6 Trapezoids

8-6 Trapezoids - parallel to the bases, and its measure is...

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Trapezoids Trapezoids Section 8-6
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trapezoid – a quadrilateral with exactly one pair of parallel sides The parallel sides are called bases. The nonparallel sides are called legs base leg leg base
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isosceles trapezoid – a trapezoid that has congruent legs
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Both pairs of base angles of an isosceles trapezoid are congruent. The diagonals of an isosceles trapezoid are congruent. A B C D AC BD 2245 2245
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The median of a trapezoid is the segment that joins the midpoints of its legs.
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Theorem 8-20 Theorem 8-20 The median of a trapezoid is
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Unformatted text preview: parallel to the bases, and its measure is one-half the sum of the measures of the bases. Joke Time Joke Time What’s big, gray, and wears glass slippers? Cinderellaphant How do you prove that girls are evil? (Submitted by Nick Collins) 1. Girls require time & money. Girls = time x money 2. We all know that time is money. time=money 3. Girls = money x money (substitution) 4. Girls = (money) 2 (substitution) 5. Money = square root of evil 6. Girls = ( ) 2 (substitution) 7. Girls = Evil (substitution) evil...
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This note was uploaded on 12/01/2011 for the course MATH 105 taught by Professor Towns during the Fall '10 term at BYU.

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8-6 Trapezoids - parallel to the bases, and its measure is...

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