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The area of rhombus is 300 cm^2. If the ...

The area of rhombus is `300 cm^2`. If the length of one of the diagonals of the rhombus is 30 cm, then what is the length (in cm) of the second diagonal?
किसी समचतुर्भुज का क्षेत्रफल 300 वर्ग सेमी है | यदि समचतुर्भुज के एक विकर्ण की लंबाई 30 सेमी है, तो दूसरे विकर्ण की लंबाई कितनी होगी ? (सेमी में )

A

25

B

10

C

20

D

30

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