The starter and exit quiz of the lesson “Applying trigonometric ratios in context”, from the unit “Right-angled trigonometry” (Year 10 Maths) by Oak National Academy.
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Oak National Academy
12 questions
Which of the trigonometric ratios should you use to calculate x?
Which of the trigonometric ratios should you use to calculate x?
Work out the length of x, to 1 decimal place.
Work out the length of x, to 1 decimal place.
Work out the size of x, to the nearest degree.
Which of these calculations will find the value of x?
A helicopter flies so that it is 6 miles due East and 2 miles due North of where it started. Which calculation finds the angle, x to fly direct?
A helicopter flies so that it is 2 miles due East and 6 miles due South of where it started. What is the angle, x, to the nearest degree to fly direct?
A helicopter flies on an angle of 38^\circ direct to its destination, such that it is 4 miles due East of the start position. How far is the direct distance, to the nearest mile?
A helicopter flies on an angle of 38^\circ direct to its destination, such that it is 4 miles due East of the start position. How far North of the start is it, to the nearest mile?
A search and rescue helicopter spots a person out at sea. Using the diagram, work out the height of the helicopter above the sea level, to the nearest metre.
Using the diagram (not to scale), work out the height of the tree, to 1 decimal place.