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प्रश्न
ABCD is a rectangle whose three vertices are A(4,0), C(4,3) and D(0,3). Find the length of one its diagonal.
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उत्तर
The given vertices are B(4, 0), C(4, 3) and D(0, 3) Here, BD one of the diagonals So
BD =`sqrt((4-0)^2+(0-3)^2)`
`= sqrt((4)^2 +(-3)^2)`
`=sqrt(16+9)`
`= sqrt(25)`
= 5
Hence, the length of the diagonal is 5 units .
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