Westfalls is 7 miles south of Edenville and Concord is 13 miles west of Westfalls. What is the
distance from Edenville to Concord? Round to the nearest tenth of a mile.
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kittybasil:
...tenth? I don't see any decimals
kittybasil:
OH WAIT. Vectors, right
Joe348:
Um I believe so
kittybasil:
Okay so basically this is what you should start out with for your diagram|dw:1620304162484:dw|
kittybasil:
pardon my bad mouse drawing
anyway now we add the distances|dw:1620304241289:dw|let's have ?=\(x\)
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Joe348:
woah woah too fast
kittybasil:
E = Edenville
W = Westfalls
C = Concord
Joe348:
okay
Joe348:
7^2+13^2 right
kittybasil:
Yep 😀
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kittybasil:
But don't forget the square root at the end!
Joe348:
right right thank you
Joe348:
14.76 but round up
kittybasil:
Here's a rundown just to double check\[x=\sqrt{7^2+13^2}=\sqrt{49+169}=\sqrt{218}=?\]
Joe348:
^^
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