document.write( "Question 1196858: These lower and upper bases of an isosceles trapezoid are 10cm and 16cm, respectively. If the altitude of the trapezoid is 4cm, find the perimeter and area of the trapezoid \n" ); document.write( "
Algebra.Com's Answer #829895 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "given:
\n" ); document.write( "Longer base \"a=16cm\"
\n" ); document.write( "Shorter base \"b=10cm\"
\n" ); document.write( "height \"h=4cm\"\r
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\n" ); document.write( "\n" ); document.write( "Perimeter=base1+base2+(2s), where \"s\"= the length of one of the non-parallel sides of the isosceles trapezoid. \r
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\n" ); document.write( "\n" ); document.write( "first find \"s\"\r
\n" ); document.write( "\n" ); document.write( "\"s=sqrt%284%5E2%2B%28%2816-10%29%2F2%29%5E2%29=sqrt%2816%2B9%29=sqrt%2825%29=5cm\"\r
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\n" ); document.write( "\n" ); document.write( "Perimeter is \"P=16cm%2Bcm%2B2%2A5cm=36cm\"\r
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\n" ); document.write( "\n" ); document.write( "and area is:\r
\n" ); document.write( "\n" ); document.write( " \"A+=+%28%28+16cm%2B+10cm%29+%2A+4cm%29+%2F+2\"\r
\n" ); document.write( "\n" ); document.write( "\"A+=+26cm%2A+2cm\"\r
\n" ); document.write( "\n" ); document.write( "\"A=52cm%5E2\"\r
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