The length and breadth of a rectangular solid are respectively 25cm and 20cm. If the volume is 7000cm³, find it's height. Also it's total surface area.
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Answered by
3
Answer:
l = 25cm
b = 20 cm
volume = 7000 cm^3
h = ?
T.S.A = ?
volume = l x b x h = 7000
25 x 20 x h = 7000
h = 14 cm
T.S.A = 2lb+2lh+2hb
=2(25)(20) + 2(25)(14) + 2(14)(20)
= 1000 + 700 + 560
= 2260
Answered by
2
Answer:
14cm
Step-by-step explanation:
volume=length x breadth x height
7000=25x20xh
7000/500=h
14=h
hence 14cm is height of rectangular solid
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