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OpenStudy (jessiegonzales):
ANYONE GOOD AT GEOMETRY B?
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OpenStudy (studygurl14):
post your question. people will help
OpenStudy (jessiegonzales):
The length of the hypotenuse of a 30degree -60degree -90degree triangle is 18. What is the perimeter?
OpenStudy (jessiegonzales):
A. 9+27 sqrt3 B. 18+81 sqrt3 C. 27+9 sqrt3 D.81+9 sqrt3
OpenStudy (jessiegonzales):
I was thinking A?
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OpenStudy (studygurl14):
|dw:1412806580326:dw| Does that help?
OpenStudy (jessiegonzales):
so A?
OpenStudy (studygurl14):
nope. C
OpenStudy (jessiegonzales):
mind explaining
OpenStudy (studygurl14):
You are finding perimeter right? Well the hypotenuse is 18. One side is 18/2, which is 9. And 18 + 9 =27 Then the last side equals sqrt(3) when the hypotenuse equals 2, so when the hypotenuse equals 18, it equals 9sqrt(3)
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OpenStudy (jessiegonzales):
thanks
OpenStudy (studygurl14):
yw
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