PLEASE HELP!!!!?? What is the length of the base of a yield sign that has a height of 14 inches and an area of 84 square inches????
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OpenStudy (cwrw238):
yield sign?
OpenStudy (anonymous):
yes .
OpenStudy (anonymous):
@cwrw238
OpenStudy (anonymous):
12 inches
OpenStudy (anonymous):
a yield sign is a triangle, right? so the area would be the height x base x 1/2, so
14/2 x base=84
7 x base = 84
base = 12
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OpenStudy (anonymous):
thats the answer ..?
OpenStudy (anonymous):
yep, pretty much
OpenStudy (anonymous):
its wrong i just tried it.
OpenStudy (anonymous):
really.... what level math is this? It's possible that they also consider the round corners if its higher-level.
OpenStudy (anonymous):
Geometry. and i dont think so
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OpenStudy (anonymous):
but we can try it
OpenStudy (anonymous):
Oh, right, then I think it would be 28/sqrt3
OpenStudy (anonymous):
you would get a decimal
OpenStudy (anonymous):
because it's an equilateral triangle, so they might be talking about using the 30-60-90 triangle trig equality to find the base.
Decimal? Are you not supposed to get a decimal?
OpenStudy (anonymous):
I know it doesnt really work with the area, but that's pretty much the only other possible answer there is.
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OpenStudy (anonymous):
and since the area method doesnt work out, it would 90% be a typo in the question and this one is right.