Question detail
exam warm-up: a rectangular poster has length 5 cm and width 3 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. 15 cm^2
- B. 15 cm
- C. 17 cm^2
- D. 13 cm^2
Answer
The correct answer is 15 cm^2.
Explanation
The locked answer is 15 cm^2. Work through the given values, keep one operation per line, and check the final step reaches 15 cm^2.
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: [Higher only] Include relationships between lengths, areas and volumes 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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