Question detail
notation check: a right-angled triangle has shorter sides 5 cm and 6 cm. Find the hypotenuse. Show your working one step at a time.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Mensuration and calculation
Question
notation check: a right-angled triangle has shorter sides 5 cm and 6 cm. Find the hypotenuse. Show your working one step at a time.
Answer
The final answer is 7.810. This is a right-angled triangle, so Pythagoras applies to the hypotenuse. Square 5. Square 6. Add the squares to get 61. 7.810
Explanation
exam warm-up keeps the canonical answer 7.810 fixed before the model answer is written, so the worked solution and final answer agree.
Common mistake
Area of any triangle common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Know and apply Area = 1/2 ab sin C to calculate the area, sides or angles of any triangle..
Show the method first, then give the final answer in the required form. Apply this directly to Area of any triangle.
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