CHAPTER 5: Trigonometry (1) The Sine Rule
>>>> EXERCISE 5C : Number 6 – 10 Solutions
A point X is 34m due east of a point Y. The bearings of a flagpole from X and Y are N18⁰W and N40⁰E respectively. Calculate the distance of the flagpole from Y.
A man walks due west for 4km. He then changes direction and walks on a bearing of 197⁰ until he is south-west of his starting point. How far is he then from his starting point?
A girl starts from a point A and walks 285m to B on a bearing of 078⁰. She then walks due south to a point C which is 307m from A. What is the bearing of A from C, and what is |BC|?
The bearing of house from a point A is 319⁰. From a point B, 317m dues east of A, the bearing of the house is 288⁰. How far is the house from A?
The bearings of ships A and B from a port P are 225⁰ and 116⁰ respectively. Ship A is 3.9km from ship B on a bearing of 258⁰. Calculate the distance of ship A from P.
Leave a comment