11. The area of a trapezium is 480 cm sq, the distance between two parallel sides is 15 cm and one of the parallel side is 20 cm. The other parallel side is: *
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answer.
Hence, length of other parallel side CD is 44 m.
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Side is 44 cm.
Area of trapezium= (a+b)h/2
a and b are length of parallel sides. And h is height.
480= (20+b)15/2
480*2/15 = 20+b
64 = 20+b
b= 44cm
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