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Question

Two sides of a plot measure 32 m and 24 m and the angle between them is a perfect right angle The other two sides measure 25 m each and the other three angles are not right angles What is the area of the plot?
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A
768m2
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B
534m2
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C
696.5m2
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D
684m2
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Solution

The correct option is C 684m2

arABCD=arADC+arABC
arADC=12×24×32=384m2
Now, AC=AD2+DC2
=242+322=1600=40m
arABC=s(sa)(sb)(sc),S=40+25+252=45m
=45(4540)(4525)(4525)
=45×5×20×20=15×20=300m2
ar.ABCD=384+300=684m2

960794_299303_ans_8ee90e43efce416dac175ca359f33208.png

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