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OpenStudy (blake57roger):
OpenStudy (blake57roger):
@TheSmartOne @whpalmer4
OpenStudy (blake57roger):
any idea on how to solve this
OpenStudy (blake57roger):
Are you there
TheSmartOne (thesmartone):
Ye.
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OpenStudy (blake57roger):
are you stuck too
TheSmartOne (thesmartone):
Nope
OpenStudy (blake57roger):
do you know how to solve it
OpenStudy (blake57roger):
If so can you help me solve it
OpenStudy (blake57roger):
all i know id that its a decimal
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TheSmartOne (thesmartone):
first let's find the diagonal of the base of the cube
|dw:1449525709653:dw|
OpenStudy (blake57roger):
49
TheSmartOne (thesmartone):
how so?
OpenStudy (blake57roger):
7*7=49
TheSmartOne (thesmartone):
That's the area of the square. But that's not the length of the diagonal.
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OpenStudy (blake57roger):
To find the length of the diagonal of a square, multiply the length of one side by the square root of 2: If the length of one side is x... The central angle of a square: The diagonals of a square intersect (cross) in a 90 degree angle.
OpenStudy (blake57roger):
9.8
TheSmartOne (thesmartone):
It's closer to 9.9
OpenStudy (blake57roger):
ok
OpenStudy (blake57roger):
what do i do after that
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OpenStudy (blake57roger):
shouldnt we convert something to find the hundreth of an inch
TheSmartOne (thesmartone):
why not just use the exact number \(\sf 7 \sqrt{2}\)
TheSmartOne (thesmartone):
now to find the answer, here's the triangle we need to solve
|dw:1449526541356:dw|