The paint in a certain container …
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Sia ? 2 years, 11 months ago
l = 22.5 m, b = 10 cm, h = 7.5 cm.
∴ Total surface area of brick = 2(lb + bh + hl)
= 2(22.5 × 10 + 10 × 7.5 + 7.5 × 22.5)
= 2(225 + 75 + 168.75)
= 2(468.75) = 937.5 cm2 = .09375 m2
The no.of brick that can be painted out ={tex}{9.375}\over.09375{/tex}
= 100 Brick.
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