A right triangular prism and its net. Find the side lengths of the net, all lengths in yards.

a) 9 yd, 12 yd, 15 yd
b) 12 yd, 16 yd, 20 yd
c) 15 yd, 20 yd, 25 yd
d) 18 yd, 24 yd, 30 yd