Question

a cylinder has a radius of 3 cm and a height of 7 cm. what is the surface area?
a. 188.4 cm²
b. 207.24 cm²
c. 226.08 cm²
d. 131.88 cm²

Explanation:

Step1: Recall the formula for the surface area of a cylinder

The formula for the surface area of a cylinder is \(S = 2\pi r(r + h)\), where \(r\) is the radius and \(h\) is the height.

Step2: Substitute the given values into the formula

Given \(r = 3\) cm and \(h=7\) cm, and taking \(\pi = 3.14\).

$$
LATEXBLOCK0
$$

Answer:

A. \(188.4\space cm^{2}\)