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.

Show answer Topic hub Objective page

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

Circles and composite solids common mistake 1

Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Know and use the formulae for circumference and area of a circle..

Show the method first, then give the final answer in the required form. Apply this directly to Circles and composite solids.

Related flashcards

Flashcard 1 of 5

Press Space to flip, arrows to move