The figure above shows an aerial view of a piece of land. If all angles shown are right angles, what is the perimeter of the piece of land?
A
750 sq.m
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B
800 sq.m
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C
400 sq.m
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D
500 sq. m
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Solution
The correct option is B 800 sq.m
For reference, label the figure as
If all the angles are right angles, then QR + ST + UV = PW, and RS + TU + VW = PQ. Hence, the perimeter of the land is 2PW + 2PQ = 2 x 200 + 2 x 200 = 800 meters. (option B)