This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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2. Write down the bearing of P from A.
Step 1: Identify the reference point and direction. The bearing is "from A", so we start at point A. Bearings are measured clockwise from the North line.
Step 2: Read the angle from the diagram. The diagram shows an angle of measured clockwise from the North line at A to the line segment AP.
Step 3: Express the bearing in three digits. Bearings are always written with three digits. The bearing of P from A is .
3. Find the exact length of AC.
Step 1: Identify the known values in the right-angled triangle. We have a right-angled triangle ABC, with . The angle . The length of the side adjacent to is . We need to find the length of the side opposite to , which is AC.
Step 2: Choose the appropriate trigonometric ratio. Since we know the adjacent side and want to find the opposite side relative to , we use the tangent function:
Step 3: Substitute the known values into the formula.
Step 4: Solve for AC.
Step 5: Substitute the exact value of . The exact value of is or . The exact length of AC is .
4. Q is due East of R and due South of P. The bearing of R from P is 230°. Show this information on the diagram.
Since there is no diagram provided for this question, here's how you would construct and label it:
Step 1: Draw the points and their relative positions. • Draw point P at the top. • Since Q is due South of P, draw a vertical line segment downwards from P and label the end point Q. This line segment PQ represents the North-South direction. • Since Q is due East of R, draw a horizontal line segment to the left from Q and label the end point R. This line segment RQ represents the East-West direction. • Connect points P and R to form a triangle PQR. The angle at Q () will be .
Step 2: Mark the bearing of R from P. • At point P, draw a North line pointing vertically upwards. • Measure clockwise from this North line. Draw a line from P in this direction, which will be the line segment PR. • The angle between the North line at P and the line PR, measured clockwise, is .
Step 3: Deduce the angle inside the triangle. • The line PQ points South from P. The angle from the North line to the South line (PQ) is . • The angle from the South line (PQ) to the line PR, measured clockwise, is . So, .
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This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.