Ch 5 Worksheet Key
Ch 5 Worksheet Key
Ch 5 Worksheet Key
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<strong>Ch</strong> 5 <strong>Worksheet</strong> L1 <strong>Key</strong><br />
Name ___________________________<br />
5.3 Page 271 Proof of Isosceles Trapezoid Diagonals Conjecture<br />
Conjecture: The diagonals of an isosceles trapezoid are congruent.<br />
Given: Isosceles trapezoid TRAP with TP = RA.<br />
Show: Diagonals are congruent, TA = RP.<br />
TR<br />
= TR<br />
PT<br />
Given<br />
= RA<br />
Same Segment.<br />
Isosceles trapezoid TRAP<br />
Given<br />
m∠ PTR= m∠TRA<br />
Isosceles Trap. base angles =<br />
ΔPTR<br />
≅ ΔART<br />
SAS Cong. Conj.<br />
TA = RP<br />
CPCTC<br />
5.3 Page 274 Exercise #19<br />
5.4 Page 279 Exercise #14<br />
a = 80, b = 20, c = 160, d = 20, e = 80, f = 80,<br />
g = 110, h = 70, m = 110, n = 100<br />
a = 54, b = 72, c = 108, d = 72, e = 162, f = 18, g = 81,<br />
h = 49.5, i = 130.5, k = 49.5, m = 162, n = 99<br />
S. Stirling Page 4 of 8