The paint in a certain container is sufficient to paint an area equal to 9.375 m2. How many bricks of dimensions 22.5 cm x 10 cm x 7.5 cm can be painted out of this container
Answers
Step-by-step explanation:
Surface area :
surface area of a solid object is a measure of the total area that the surface of the object occupies and it is always measured in square unit.
hence, surface area is also known as total surface area TSA...
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Given :
Dimension of brick = 1=22.5cm, b = 10cm, c = 7.5 cm.
Total surface area of a container = 9.375 m square.
Total surface area of a brick = 2(lb+bh+lh)
= 2(22.5×10+10×7.5+22.5×7.5)
= 2(225+75+168.75)
= 2×468.75
= 937.5 cm square
= 937.5/100×100 m square
number of bricks that painted out of this
container = Total area painted by containers paint / total surface area of a brick...
= 9.375/(937.5/100×100)
= (9.375×100×100)
/937.5
= 937500/9375 = 100
hence, 100 bricks can be painted out....
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