Question 1186036

The sides of a square measure 4 m by 4 m increased by 10%.  Find the percent increase in the area.
<pre>Area, based on 4 x 4 sides: 16 m<sup>2</sup> 
Area, based on 4 m x 4 m sides being increased by 10%: (4 * 1.1)<sup>2</sup> = 19.36 m<sup>2</sup>
Percent increase in area: {{{highlight_green(matrix(1,5, (19.36 - 16)/16, "=", ".21,", or, "21%"))}}}