Q.
If one side of a rhombus has endpoints (4, 5) and (1,1), then the maximum area of the rhombus is
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a
50 sq. units
b
25 sq. units
c
30 sq. units
d
20 sq. units
answer is B.
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Detailed Solution
From the figure,Area of rhombus=2×( Area of ΔABD)=2×12×5×5sinθ=25sinθHence, the maximum area is 25 (when sinθ=1)
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