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 Class 7 Mathematics Length, Perimeter and Area: Length and its Operations

The area of trapezium JKLM drawn below is 544 #cm^2#. Line JK is parallel to line LM and JM is the perpendicular distance. What is the length of line
A. 12 cm
B. 16 cm
C. 20 cm
D. 28 cm

 (5m 44s)
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