a equilateral triangle having one side 5m.in this triangle there is a square of side 2m.calculate the percentage of area outside square in that triangle. Choose the correct choice.
A) 68 B) 54 C) 63.04 D) 62 E) 60
area of triangle=âˆš3a2/4.=1.732*25/4= 
<gadget id="calculator">1.732*25/4</gadget>
<output>10.825</output>
10.825m2.   area of square=2*2= 
<gadget id="calculator">2*2</gadget>
<output>4</output>
4m2.   rest area after square=10.825-4= 
<gadget id="calculator">10.825-4</gadget>
<output>6.825</output>
6.825m2.   %rest area after square=6.825/10.825*100=63.04%   answer 63.04
<result>C</result>
a equilateral triangle having one side 5m.in this triangle there is a square of side 2m.calculate the percentage of area outside square in that triangle.