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The area of tapizieum is 420 …

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The area of tapizieum is 420 meter square . the perpendicular distance between two sides is 21 meter if the difference of parallel sides is 18meter find the length of the parallel sides

Posted by Varun Mundeja 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Mayank Sharma 7 years, 6 months ago

Area of trapezium=420m Height=21m Let the parallel sides be (x)m and other side be x-18m 1/2*x+x-18*21m=420m square 1/2*2x-18=420m square/21m 2x-18=20*2 2x=40+18m X=58/2 X=29m Parallel sides=x=29m X-18m=29-18=11m.

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CBSE > Class 09 > Mathematics