1) A rectangle sheet of size 88 cmX35 cm is bent to form a cylindrical shape with height 35 cm.What is the area of the base of the cylindrical shape? A) 88 sq.cm B) 616 sq.cm C) 676 sq.cm D) 600 sq.cm Answer: Option BExplanation: The circumference of the circular region = 88 cm $2\pi r=88$ $\Rightarrow r=88\times \frac{1}{2}\times \frac{7}{22}$ $=14 cm$ Area of the base $=\pi r^{2}$ $=\frac{22}{7}\times 14\times 14$ $=616 cm^{2}$
