Question

Fill in the blanks:
Surface area of a cylinder = ............. x ........... + .......... .

• A. 2 $\times$ area of rectangle $+$ area of circle
• B. 2 $\times$ area of square $+$ area of rectangle
• C. 2 $\times$ area of rectangle $+$ area of rectangle
• D. 2 $\times$ area of circle $+$ area of rectangle

Answer 1

Answer: (D)

Cylinder is made up of $2$ circles and one rectangle as shown in the figure.

Length of the rectangle is the circumference of circle. Breadth will be height of cylinder.

Hence cylinder is the addition of two areas of circle and one rectangle.

So, option (b) is correct.