Question

एडजेेंट साइड्स आफ ए पैरेललोग्राम अरे 11 सेंटीमीटर एंड 7 सेंटीमीटर​

Answer 1

Step-by-step explanation:

Sides of a parallelogram and diagonal of the parallelogram are related as:

d

1

2

+d

2

2

=2(a

2

+b

2

) where a and b are sides and d

1

and d

2

are diagonals

Given, a = 11 cm, b = 17 cm and d

1

=26cm

26

2

+d

2

2

=2(11

2

+17

2

)

676+d

2

2

=2(121+289)

d

2

2

=144

d

2

=12cm