IDNLearn.com: Your trusted source for finding accurate and reliable answers. Discover the information you need quickly and easily with our reliable and thorough Q&A platform.

The pilot of an aircraft wishes to fly due west in a 38.7 km/h wind blowing toward the south. The speed of the aircraft in the absence of a wind is 201 km/h.
(a) In what direction should the aircraft head?
north of west
(b) What should its speed relative to the ground be?
km/h