the parallel sides of trapezuim are in the ratio 3:4 and the perpendicular distance between them is 12 cm . if the area of the trapezium is 630cm2sq. then it's shorter of the parallel sides is:
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are of trapezium= a+b/2×h
630=3x+4x/2×12
630×2/12=7x
106=7x
x=15.14
shortest side =3x=15.14×3
=45.42cms
630=3x+4x/2×12
630×2/12=7x
106=7x
x=15.14
shortest side =3x=15.14×3
=45.42cms
iphonex:
thank you very very much
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