Question

Two ships leave from the same port at 11:30 a.m. If one sails due east at 20 miles per hour and the other due south at 15 miles per hour, how many miles apart are the ships at 2:30 p.m ?

Answer 1

75

Answer 2

How?

Answer 3

inverse tangent of the two sides to get the angle, then (sine of the angle)=(opposite side)/(length of hypotenuse). rearrange to get (length of opposite side)/(sine of angle)=(length of the hypotenuse)

Answer 4

draw a picture like this
/ |
/ | 45
/ |
x/_____________________|
60

Answer 5

Ooh i get it now thank you!

Answer 6

your welcome