girasa

In a triangle ABC, E and F are the feets of the perpendiculars from B and C to AC and AB respectively. DE and CF meet at H. Let(HA) ⃗=x, (HB) ⃗=y, and (HC) ⃗=z. I. Find(AB) ⃗, (AC) ⃗ and (BC) ⃗ in terms of x, y and z. ii. Using the fact that BE is perpend...

A ship leaves Tema harbor at 10:00am one morning. The captain steers a course bearing 136° at a speed of 20km/h through the water. There is a current of 5km/h in a direction of 046°. Find i. the direction in which the boat travels. ii. the distance from T...