Multiple choice

What would be the circumference of a circle whose area is 745.36 sq.cm?

  1. 86.8 cm

  2. 91.8 cm

  3. 78.8 cm

  4. 96.8 cm

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The circumference formula is C = 2πr. First find the radius from the area: r² = Area/π = 745.36/3.14 ≈ 237.28, so r ≈ 15.4 cm. Then C = 2 × 3.14 × 15.4 ≈ 96.8 cm. The distractors are miscalculations using wrong radius or π values.