Question

A fish tank neasuring 80 cm by 40cm contains water to a height of 35 cm. Find the surface area of the tank that is in contact with the water giving your answer in m square
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Answer 1

Answer:

2(lb+bh+lh)

2(3200+1400+2800)

14800msquare

Step-by-step explanation:

Answer 2

The surface area of tank is 1.48 square meter

Solution:

Given that,

Length = 80 cm

Width = 40 cm

height = 35 cm

The surface area of rectangular prism is given as:

$A = 2(wl + hl + hw)$

Where,

l is the length

w is the width

h is the height

Substituting the values we get,

$A = 2(40 \times 80 + 35 \times 80 + 35 \times 40)\\\\A = 2(3200 + 2800 + 1400)\\\\A = 2 \times 7400\\\\A = 14800$

A = 14800 cm^2

$14800\ cm^2 = 14800 \times \frac{1}{10000} \ meter = 1.48\ meter$

Thus the surface area of tank is 1.48 square meter

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