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2023 · Q94

Consider the following for the next three (03) items that follow: A circle of radius 10 cm is inscribed in a square PQRS. A rectangle measuring 4 cm × 2 cm is drawn at the corner P, and a smaller square is drawn at the corner R. What is the area of the circle?

Elementary MathematicsCircles
  1. A100π square cm
  2. B96π square cm
  3. C50π square cm
  4. D48π square cm

Explanation

The circle has radius 10 cm, so its area is π·10² = 100π square cm (A). The rectangle and the smaller square at the corners are needed only for the items that follow.