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
Congruence and similarity calculations common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Apply congruence and similarity, including relationships between lengths in similar figures..
Show the method first, then give the final answer in the required form. Apply this directly to Congruence and similarity calculations.
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