Question detail
method check: a rectangular display board has length 7 cm and width 5 cm. Find its area.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Mensuration and calculation
Question
- A. 35 cm^2
- B. 35 cm
- C. 39 cm^2
- D. 31 cm^2
Answer
The correct answer is 35 cm^2.
Explanation
The distractors change the result or the form of the answer. The canonical solution reaches 35 cm^2, so 35 cm^2 is the only option consistent with the working.
Common mistake
Sectors and arcs common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Calculate arc lengths, angles and areas of sectors of circles..
Show the method first, then give the final answer in the required form. Apply this directly to Sectors and arcs.
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