document.write( "Question 1055931: find the perimeter of a trapezoid with 3 ft. in height and 7 ft. and 8 ft. in both sides the area is 10 ft \n" ); document.write( "

Algebra.Com's Answer #671116 by ikleyn(52797) $\"\"$ $\"About$

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\n" ); document.write( "find the perimeter of a trapezoid with 3 ft. in height and 7 ft. and 8 ft. in both $\"highlight%28lateral%29\"$ sides. The area is 10 ft
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\n" ); document.write( "\n" ); document.write( "My dear, the area can not be 10 ft.
\n" ); document.write( "The area is measured in square units.
\n" ); document.write( "So, I will assume that the area is 10 $\"ft%5E2\"$ .\r
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document.write( "1.  Having the area and the height, you can find the half of the sum of the bases.\r\n" );
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document.write( "    If the bases are \"a\" and \"b\", then  =  =  ft.\r\n" );
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document.write( "2.  Having the half of the sum of the bases, you can find the sum itself:\r\n" );
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document.write( "    a + b =  =  ft.\r\n" );
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document.write( "3.  Finally, you will find the perimeter by adding the lateral side lengths 7 and 8 ft to  ft.\r\n" );
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document.write( "Answer. The perimeter is 7+8+ ft.\r\n" );
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