The ratio of length, width, height of a rectangular solid is $21 : 16 : 12$ and the diagonal is $87$ cm. The length is —

Question

Accepted Answer

$63$ cm

Answer

$48$ cm

Answer

$56$ cm

Answer

$84$ cm

The ratio of length, width, height of a rectangular solid is 21:16:1221 : 16 : 1221:16:12 and the diagonal is 878787 cm. The length is —