Multiple choice

If the radius of a circle is equal to a diagonal of a square whose area is 12 cm2 , then the area of the circle is:

  1. 28π cm2

  2. 36π cm2

  3. 32π cm2

  4. 24π cm2
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Square area = 12cm², so side = √12 = 2√3 cm. Diagonal of square = side×√2 = 2√3×√2 = 2√6 cm. This equals the circle's radius. Circle area = πr² = π(2√6)² = π(4×6) = 24π cm². The subject 'English Language' is incorrect - this is Mathematics.

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