the area of a trapezium is 400cm²‚ the distance between the parallel side is 16cm. If one of the parallel side is 20cm Find the length of the side
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Answer: x= 30 cm
Step-by-step explanation:
area= 1/2 * sum of parallel sides * distance
400 = 1/2 * ( 20 +x) * 16
800/16 = ( 20+x)
50 = 20+x
x= 30 cm
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