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OpenStudy (anonymous):
right triangle abc. b=90 deg a=60 deg side bc=17.3cm can you find side ac and side ab. use 30-60-90
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OpenStudy (anonymous):
Tan 60 = BC/AB ===> AB=BC/Tan(60) =9.99 cm AC= Rac((AB^2)+(BC^2)) ===> AC=19.98 cm
OpenStudy (anonymous):
So What's the answer please
OpenStudy (anonymous):
AB= 9.99 cm and AC=19.98 cm
OpenStudy (anonymous):
Thanks :)
OpenStudy (anonymous):
look, we have the same numbers! haha.
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OpenStudy (anonymous):
Ab=10 ac=20
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