Answer: The other diagonal is 8 cm.
Sum of the squares of the diagonals of a parallelogram = sum of the squares of its four sides = 2 × (sum of squares of adjacent sides).
\[14^2 + d^2 = 2 \times 130\] \[196 + d^2 = 260\] \[d^2 = 64,\quad d = 8\ \text{cm}\]