Find the missing numbers for the dimensions and measures of a rectangular prism...

Length ?
Width 7 m
Height 5 m
Surface Area 214 m to the second power Volume ?

Please answer the one's with a ?. Thank you.

1 answer

As = 2W*h + 2L*W + 2L*h = 214 m^2.
70 + 14L + 10L = 214
24L = 144
L = 6 m.

V = L*W*h = 6 * 7 * 5 = 210 m^3.