Year 10
Core
Know when to use Pythagoras or Trigonometry to solve problems
Year 10
Core
Know when to use Pythagoras or Trigonometry to solve problems
These resources will be removed by end of Summer Term 2025.
Switch to our new teaching resources now - designed by teachers and leading subject experts, and tested in classrooms.
Lesson details
Key learning points
- In this lesson, we will recognise when it is appropriate to use Pythagoras or Trigonometry when finding missing lengths and angles in right angle triangles.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
Loading...
3 Questions
Q1.
Diagram B
Others
Q2.
A ship sales 15 km on a bearing of 060° from a point P. How far East of its original position is it? Give your answer to 2 decimal places.
25.98 km
7.5 km
Others
Q3.
A plane flies 100 km due east from point A to reach point B. It then flies 30 km due south to reach point C. What bearing is C from A?
017 degrees
073 degrees
Others
3 Questions
Q1.
Would you use Pythagoras or Trigonometry to work out x?
Both
Neither
Others
Pythagoras
Q2.
Find 𝑥 in the triangle. Give your answer to one decimal places.
12.1 degrees
15.7 cm
15.7 degrees
Others
Q3.
Which of these could you use to work out x?
Neither Pythagoras or Trigonometry
Others
Pythagoras
Trigonometry