2017 · Q120
The circumference of a circle is 2𝜋 cm. Then the area of a square inscribed in the circle is
General Mental Ability, Quantitative Aptitude and StatisticsNumber system and arithmetic
- A𝜋/2 cm²
- B1 cm²
- C2𝜋 cm²
- D2 cm²
Explanation
Circumference 2*pi cm gives radius 1 cm, so the circle's diameter is 2 cm. A square inscribed in the circle has this as its diagonal, and its area = diagonal^2 / 2 = 4/2 = 2 cm^2. Hence D.