John and Ted leave Houston at the same time.

John and Ted leave Houston at the same time. John travels 450 km on a bearing of
305 degrees
from Houston. Ted travels 800 km on a bearing of 230 degrees
from Houston.

How far apart are John and Ted now?
in Trigonometry Answers by Level 1 User (180 points)

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1 Answer

The cosine rule can be used.

TJ^2=450^2+800^2-2*450*800cos(305-230), where TJ is the distance between Ted and John.

TJ^2=656150.28 approx, so TJ=810km approx.
by Top Rated User (1.1m points)

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