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OpenStudy (anonymous):
find the length, in feet, of line ST.
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OpenStudy (anonymous):
OpenStudy (anonymous):
if you add the top and bottom line length together and divide by two that will be your answer
OpenStudy (anonymous):
ok so \[\frac{ 15+27 }{ 2 }\]
OpenStudy (anonymous):
yep thats right!
OpenStudy (anonymous):
okay so 21 is the answer then?
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OpenStudy (anonymous):
yep good job!
OpenStudy (anonymous):
thank you :)
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