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प्रश्न
The area of the rhombus is 128 sq.cm and the length of one diagonal is 32 cm. The length of the other diagonal is
विकल्प
12 cm
8 cm
4 cm
20 cm
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उत्तर
8 cm
Explanation;
Hint:
`1/2 xx "d"_1 xx "d"_2` = 128
`1/2 xx 32 xx "d"_2` = 128
⇒ d2 = `(128 xx 2)/32`
= 8 cm
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