Asked by Rose
If the distance between location A to B is straight east 10 km. then from B to C is Nw 18KM How far would you be from point C to A.
Would you not need to more information then this to calculate this answer?
Would you not need to more information then this to calculate this answer?
Answers
Answered by
rbowh
Use the Pythagorean Theorem.
(AB)^2 + (AC) ^2 = (BC)^2
substitute for AB and BC.
then solve for AC
(AB)^2 + (AC) ^2 = (BC)^2
substitute for AB and BC.
then solve for AC
Answered by
Reiny
no, just use the cosine law
AC^2 = 10^2 + 18^2 - 2(10)(18)cos45° ---- assuming that Nw meant "northwest"
= 169.44...
AC = √169.44.. = appr 13.02 km
AC^2 = 10^2 + 18^2 - 2(10)(18)cos45° ---- assuming that Nw meant "northwest"
= 169.44...
AC = √169.44.. = appr 13.02 km
Answered by
rbowh
Rose,
Sorry, I got in a hurry.
Sorry, I got in a hurry.
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