Lesson eLearning

A square has area of 64 cm². What is its perimeter?

easy MCQ 1 mark Class 7 · Mathematics · Perimeter and Area
  1. A) 16 cm
  2. B) 32 cm
  3. C) 48 cm
  4. D) 64 cm
Answer
B) 32 cm

The correct answer is B) 32 cm — Step 4: So the perimeter is 32 cm.

Step-by-step solution

  1. Step 1: Side of square = √area = √64 = 8 cm.
  2. Step 2: Perimeter of a square = 4 × side.
  3. Step 3: 4 × 8 = 32 cm.
  4. Step 4: So the perimeter is 32 cm.
Common mistake: Confusing side length with perimeter

Concept tested: Perimeter of a square

Published · How this solution was prepared and checked

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