document.write( "Question 257073: The perimeter of a rectangle wildlife perserve is 8 kilometers, and its area is 3 square kilometers. Find its dimensions. \n" ); document.write( "
Algebra.Com's Answer #189061 by rajagopalan(174)![]() ![]() You can put this solution on YOUR website! let one side =a \n" ); document.write( "let other side =b \n" ); document.write( "perimeter=2(a+b) \n" ); document.write( "2(a+b)=8(given) \n" ); document.write( "a+b=8/2=4 \n" ); document.write( "so b=4-a \n" ); document.write( "area = a*b \n" ); document.write( "area=a*(4-a) \n" ); document.write( "area=4-a^2 \n" ); document.write( "this is equal to 3 sq km \n" ); document.write( "4-a^2=3 \n" ); document.write( "4-3=a^2 \n" ); document.write( "1=a^2 \n" ); document.write( "a=1 \n" ); document.write( "b=4-a \n" ); document.write( "b=4-1=3 \n" ); document.write( "the dimns are 3km and 1 km \n" ); document.write( "good day \n" ); document.write( " |