Multiple choice

Find the area of the circle whose circumference is 44cm?

  1. 144 cm2

  2. 154 cm2

  3. 77 cm2

  4. 308 cm2

  5. None of these

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

Circumference = 2πr = 44, so r = 44 ÷ (2π) = 44 ÷ 6.28 ≈ 7. Area = πr² = π × 7² = 154 cm² (taking π = 22/7). Option A (144) would give r ≈ 6.77, not matching the circumference. Option B is correct.