A right triangle has legs and . How long is the hypotenuse?
Answer and explanation
Correct answer: A.
- Step 1: By Pythagoras, . Step 2. So . **Answer: . Why not the others:** adds the legs, is not given by the theorem, and is the product of the legs.
Practise more Geometry, Trigonometry and Vectors.
Free questions with an explanation for every one, and full timed Studentereksamen STX (Denmark) mock tests.