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The length of two sides of a parallelogram are 3cm and 10 cm. What is the sum of the squares of diagonals of the parallelogram ?
एक समांतर चतुर्भुज के दो भुजाओं की लंबाई 3 सेमी और 10 सेमी है। समांतर चतुर्भुज के विकर्णों के वर्गों का योग क्या होगा ?

A

218 `cm^2`

B

169`cm^2`

C

206`cm^2`

D

109`cm^2`

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