The area of a square is equal to four times the area of a rectangle of dimensions 25 cm * 16 cm. What is the perimeter of the square?
Answers: A) 80 cm B) 100 cm C) 120 cm D) 140 cm E) 160 cm
Area of the square = s * s = 4(25 * 16)   =&gt; s * s= 2 * 2 * 5 * 5 * 4 * 4   =&gt; s =2 * 5 * 4= 
<gadget id="calculator">2 * 5 * 4</gadget>
<output>40</output>
40 cm   Perimeter of the square= 4 * 40= 
<gadget id="calculator">4 * 40</gadget>
<output>160</output>
160 cm.   Answer: 160 cm
<result>E</result>
The area of a square is equal to four times the area of a rectangle of dimensions 25 cm * 16 cm. What is the perimeter of the square?