Question

find the surface area and the volume of a rectangular solid measuring 5 m by 4 m by
3 m. Also find the length of a diagonal.
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Answer 1

Volum of cuboid

= lbh

= 5×4×3

= 60.m

length of daigonal of cuboid

√1२+b2+h2

25+ 16+ 9

√50

5√2