Lesson eLearning

Find surface area of a sphere with radius 7 cm (π = 22/7).

medium MCQ Class 4 · Mathematics · Carts and Wheels
  1. 616 cm²
  2. 154 cm²
  3. 308 cm²
  4. 1232 cm²
Answer
616 cm²

The correct answer is 616 cm² — Surface Area = 4πr² = 4 × (22/7) × 7 × 7 = 616 cm².

Step-by-step solution

  1. Surface Area = 4πr² = 4 × (22/7) × 7 × 7 = 616 cm².

Concept tested: Surface Area of Sphere

Published · How this solution was prepared and checked

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