Question

If you head due east from Lily Bay Mountain (${90}^{\circ }$ east of magnetic north), will you pass Bluff Mountain on your right or on your left?

Short answer

We will pass Bluff Mountain on our right.

Step-by-step solution

Step 1. Define magnetic north.

Magnetic north is the direction towards the north magnetic pole, it is point where the Earth's magnetic field goes vertically down.

Step 2. Steps to draw the diagram.

Draw a line down Lily Mountain that is parallel to magnetic north.

Then draw another line ${90}^{\circ }$to the right of the line you just drew.

Step 3. State the conclusion.

After the diagram, the path drawn is the path you will walk.

Therefore, Bluff Mountain is to the right of that line.