9.07 Surface area of cylinders
Interactive practice questions
Consider the following cylinder.
A cylinder, outlined in black, is oriented vertically with its top circular face fully visible and its bottom circular face indicated by a dashed outline. The height is labeled $4$4 m. The radius of the top circular face is labeled $2$2 m.
Below the cylinder is its net represented by a horizontal rectangle and two circles. One circle is on top of the rectangle and the other circle is below the rectangle. The radius of the circle on top is labeled $2$2 m. The width of the rectangle is labeled $4$4 m.
Find the circumference of the circular base to four decimal places.
Hence, find the area of the curved face of the cylinder.
Round your answer to two decimal places.
Consider the following cylinder.
Consider the following cylinder.
Paul is using a toilet paper roll for crafts. He has measured the toilet paper roll to have a diameter $4$4 cm and a length $10$10 cm.