Transcript
Bellwork
8.5 Trapezoids and Kites
Trapezoid: quad w/ exactly 1 pair of // sides AKA bases, 2 pairs of base <s, & 2 non // sides AKA legs
base
base
legleg
Definition:legs are ≅
Theorem 8.14:each pair of base <s is ≅
Isosceles Trapezoid:
Theorem 8.16iff diagonals are ≅
Theorem 8.15@ least 1 pair of ≅ base <s
Midsegmentsconnects the midpoints of its legs
Theorem 8.17:Midsegement of a trapezoid is...
* // to each base* 1/2 (sum of both bases)
M N
DC
BA
MN = 1/2 (AB + CD)
KitesA quadrilateral that has 2 pairs of consecutive ≅ sides
BUT NOT≅ opp sides.
Theorem 8.18:its diagonals are
Theorem 8.19exactly 1 pair of opp. <s are ≅
HW pg. 546 #4-26 evens
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