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OpenStudy (anonymous):
It is given that AB=21, BC=14, and AD=54. Find the length of CD. ___._____.___.______.____ A B C D
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OpenStudy (anonymous):
AD = AB+BC+CD 54 = 21+14+CD CD = ?
OpenStudy (anonymous):
19
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
find the supplement of a 7 degree angle
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