Can anyone explain why height is subtracted only once from an open cuboid?
Answers
Answer:
There are several methods of doing this question .
But the easiest one is given below:-
First find Total Surface Area of whole cuboid which is ,
Given,
Length (l) = 5cm
Breadth (b) = 5cm
Height (h) = 5cm
TSA of cuboid = 2(l*b+b*h+h*l)
= 2(5*5+5*5+5*5)
= 2(25+25+25)
= 2(75)
= 150 sq cm
Now , we know that box is open from top so we have to subtract Area of rectangle from TSA .
Area of rectangle = l*b
= 5*5
= 25 sq cm
Now,
The surface area of open cuboidal box
= TSA of cuboidal box - Area of rectangle
= 150 - 25
= 125 sq cm
Hence,
Answer - 125 sq cm
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It has 5 faces each of 25 sqmm. So surface area is 125.
Wait.. why not take the inner side? If that is also taken, it is then 250 sqcm.
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Surface area of an open cuboid box= total surface area - area of top of the box.
= 6.x^2. - x^2.
= 5.x^2.
= 5.(5)^2. cm^2.
= 125. cm^2. , Answer.
surface area of a cuboid = 2(lb + bh +hl)
L = B =H = 5cm
So,2(25 +25 + 25)
2x75
150cm^2
It is open so, 150 -25
125cm^2 ANS
What is the surface area of a cuboid having the dimension length of 110cm, breadth 85cm, and the height is 25cm if it has one open surface and the thickness of the cuboid is 5cm?
What is open surface area of cuboid?
What is the total surface area of a cuboid?
How do you determine the surface area of cuboid?
What is the lateral surface area of a cube that has a side length of 5cm?
a cuboid cant have each edge equal
surface area =4l^2 =4*25=100
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How do I get the surface area of an open cuboid?
What is the surface area of a cuboid open at one end?
What is the surface area of a cuboid if it has one open surface?
What will be the volume of an open cuboid?
What is the area of an open cuboid?
What is the surface area of a cuboid having the dimension length of 110cm, breadth 85cm, and the height is 25cm if it has one open surface and the thickness of the cuboid is 5cm?
What is open surface area of cuboid?
What is the total surface area of a cuboid?
How do you determine the surface area of cuboid?
What is the lateral surface area of a cube that has a side length of 5cm?
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