A) 30 m |
B) \( \Large 15\sqrt{2} \)m |
C) 60 m |
D) \( \Large 30\sqrt{2} \)m |
A) 30 m |
Length of the longest rod = length of the diagonal
= \( \Large \sqrt{l^{2}+b^{2}+h^{2}} \)
= \( \Large \sqrt{30^{2}+24^{2}+18^{2}} \)
= \( \Large \sqrt{900+576+324} \)
= \( \Large \sqrt{1800} = \sqrt{2 \times 900} = 30\sqrt{2}\ mts. \)