Question

what is the surface area of this cylinder?
round your answer to the nearest hundredth.
3.9 mm
14.5 mm
square millimeters
submit

Explanation:

Step1: Identify radius and height

Radius $r = 3.9$ mm, height $h = 14.5$ mm

Step2: Calculate area of two circles

$2\pi r^2 = 2 \times \pi \times (3.9)^2$
$= 2 \times \pi \times 15.21 ≈ 95.56$

Step3: Calculate lateral surface area

$2\pi r h = 2 \times \pi \times 3.9 \times 14.5$
$= 2 \times \pi \times 56.55 ≈ 355.31$

Step4: Sum areas for total surface area

$95.56 + 355.31 ≈ 450.87$

Answer:

450.87