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Mathematics 21 Online
OpenStudy (anonymous):

PLZ HELP!! darla is building a new desk. to make sure she had made a square corner she measures 5ft. from the corner along one edge and 9ft. from the corner along the other edge. how long should the diagonal be between those two points if the corner is a right angle? (round to the nearest thousandth

OpenStudy (amistre64):

thats not how you do it; you measure 4 ft and 3 ft ... what kind of derange carpenters they got building this stuff?

OpenStudy (anonymous):

lol

OpenStudy (amistre64):

\[\sqrt{9^2+5^2}\]

OpenStudy (anonymous):

i think they want a decimal

OpenStudy (amistre64):

they do, but a calculator can get you the rest of the way :)

OpenStudy (anonymous):

i dont know how to do it

OpenStudy (anonymous):

i think its 106sqrt

OpenStudy (anonymous):

i think its 106sqrt

OpenStudy (amistre64):

copy and paste this into google and it should do a calulation for you: sqrt(9^2+5^2)

OpenStudy (anonymous):

10.2956301

OpenStudy (amistre64):

yep, now round :)

OpenStudy (anonymous):

10.300??

OpenStudy (amistre64):

3-4-5 is much simpler and that is what we always used when i was carpenterizing

OpenStudy (amistre64):

3 decimals is 1000th

OpenStudy (amistre64):

10.2956 rounds up to 10.296

OpenStudy (anonymous):

thank u so much!!!

OpenStudy (amistre64):

yep

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