document.write( "Question 1096851: mary is making quilts for her family. Each quilt will have 12 triangles. The triangles have a base 4in and a height of 8 in. She will be making 9 quilts. how much material will she need to make all the triangles? \n" ); document.write( "
Algebra.Com's Answer #711247 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Area of One Triangle = 0.5*b*h
\n" ); document.write( "Area of One Triangle = 0.5*4*8
\n" ); document.write( "Area of One Triangle = 2*8
\n" ); document.write( "Area of One Triangle = 16 square inches
\n" ); document.write( "------------------------------------
\n" ); document.write( "Area of one quilt = Area of 12 triangles
\n" ); document.write( "Area of one quilt = 12*(area of one triangle)
\n" ); document.write( "Area of one quilt = 12*(16)
\n" ); document.write( "Area of one quilt = 192 square inches
\n" ); document.write( "------------------------------------
\n" ); document.write( "Area of 9 quilts = 9*(area of one quilt)
\n" ); document.write( "Area of 9 quilts = 9*(192)
\n" ); document.write( "Area of 9 quilts = 1728
\n" ); document.write( "------------------------------------
\n" ); document.write( "------------------------------------
\n" ); document.write( "Final Answer: Mary will need 1728 square inches of material.
\n" ); document.write( "
\n" ); document.write( "
\n" );