Question

in a rhombus of side 10cm one of the diagonals is 12 cm long find the length of the second diagonal​

Answer 1

Answer:

Answer =16 cm

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Answer 2

Answer:

let half length of one diagonal be x

since diagonal bisect each other so half length of given diagonal=12/2

=6cm

take any triangle in the rhombus

since diagonals of rhombus bisect each other at 90°

using Pythagoras thereom

10²=6²+x²

x²=100-36

x²=64

x=8

so length of other diagonal is 2×x

2×8

16 cm