Question

The dimension of the cuboid are 8cm×7cm×4cm then the digonal is​

Answer 1

Answer:

root 2l +2b +2h

2×8×2×7+2×4

16+14+8

38 sq root

final answer 6.16

Answer 2

$\sqrt{l {}^{2} + b {}^{2} + h {}^{2} }$

$\sqrt{8 {}^{2} + 7 {}^{2} + 4 {}^{2} }$

$\sqrt{64 + \sqrt{49 + \sqrt{16} } }$

$\sqrt{129}$