Chapter 13.4, Problem 34SPR

To determine

To calculate:

Surface area of the given figure and round to the nearest tenth.

Answer to Problem 34SPR

Surface area of the given figure and round to the nearest tenth is $21.2c{m}^2$ .

Explanation of Solution

Given information:

  

Calculations:

A hemisphere with a radius of $1.5cm$ .

The surface area, $SA$ of a hemisphere is given by the formula,

  $\begin{array}{l}SA=2\pi r^2+\pi r^2\\ =2\pi {\left(1.5cm\right)}^2+\pi {\left(1.5cm\right)}^2\\ =2\pi \left(2.25c{m}^2\right)+\pi \left(2.25c{m}^2\right)\\ =21.2c{m}^2\end{array}$

Thus, Surface area of the hemisphere is $21.2c{m}^2$ .