document.write( "Question 963384: A steel plate in the shape of a triangle has a side in the continued ratio 2:4:5 if the shortest side is 20 cm long . Find the area of the plate \n" ); document.write( "
Algebra.Com's Answer #588572 by amarjeeth123(570) ![]() You can put this solution on YOUR website! Ratio of sides=2:4:5 \n" ); document.write( "If the shortest side is 20 cm the other two sides are 40 cm and 50 cm respectively. \n" ); document.write( "Semi perimeter=s=(a+b+c)/2=(20+40+50)/2=55 cm \n" ); document.write( "Area of the triangle=√s(s-a)(s-b)(s-c)=√55(35)(15)(5)=379.96 sq cm. \n" ); document.write( " |