A rectangular water reservoir contains 36,000 L of water. Find the depth of depth of the water in the reservoir, if base measures 8 m by 4 m. Also, find the surface area of the reservoir.

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Solution

Volume of reservoir $= 36000 L = 36000 \times 1000$ $c m^{3}$
$= 36 c m^{3}$
Volume $= l \times b \times h$
$36 = 8 \times 4 \times h$
$h = 1.125 m$ .

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A rectangular water reservoir contains 36,000 L of water. Find the depth of depth of the water in the reservoir, if base measures 8 m by 4 m. Also, find the surface area of the reservoir.

Volume of reservoir =36000L=36000×1000 cm3=36cm3Volume =l×b×h36=8×4×hh=1.125m.

Volume of reservoir $= 36000 L = 36000 \times 1000$ $c m^{3}$
$= 36 c m^{3}$
Volume $= l \times b \times h$
$36 = 8 \times 4 \times h$
$h = 1.125 m$ .