2015 · Q57
Four equal-sized maximum circular plates are cut off from a square paper sheet of area 784 square cm. The circumference of each plate is
Elementary MathematicsMensuration
- A11 cm
- B22 cm
- C33 cm
- D44 cm
Explanation
Side = √784 = 28 cm; four equal circles in a 2×2 grid have diameter 14 cm, radius 7 cm; circumference = 2π·7 = 44 cm (option D).