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In the biological world the surface area ratio to the volume determines if a cell will explode. The reason salt can cause swelling or the death of plants.
Paint is a more common use of surface area. How much paint will it take to cover a room 12x12x8 with the ceiling but not the floor.

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Q: Why do you need surface area for?
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What is a real world example of surface area?

A practical need to calculate surface area arises, for example, when you need to paint your house. The amount of paint you need is proportional to the surface area you want to paint.


How do you find the surface area of a rectagle?

to find the surface area of the triangle we just need to multiply the length with breath. area=lengthXbreadth


How do you find the surface area of a hexagon?

The surface area of a hexagon is the same as its area. You will normally need to split the hexagon into triangles, find their area and sum these.


How do you compute area need to be paint in a house?

find surface area


How do you find the surface area of an oblique prism?

You will need to find the surface area of each face and add them together.


How do you compare the surface are to volume ratio of cells of different size?

You need to:* Calculate the surface area * Calculate the volume * Divide the surface area by the volume


Why is surface area important to the real world?

Some practical real world examples why surface area is important:If you want to paint a house, you need to know the surface area to determine how much paint to buy.If you want to plant grass on a dirt lot, you need to know the surface area to determine how much grass seat to use.If you want to sew a dress, you need to know the surface area of the dress (dress size) to know how much material you need.If you want to make money mowing lawns, you need to know the surface area of the lawn to know how much to charge for the work.If you want to put carpet in a living room, you need to know the surface area of the room to know how much carpet you will need.If you are making a label for a soup can company, you will need to know the surface area of the can.


What is the surface area of a dodecehedron?

you need measurements to figure out surface area. the simplest way to figure out the whole area of a dodecahedron is to find the surface area of one pentagon, then multiply by 12 (the number of sides of a dodecahedron)


What is the body surface area for a child weighing 7.5 pounds?

You need both height and weight to calculate body surface area.


To calculate the area of the front surface of a box you---?

need to measure the length and width of the front surface, then multiply these two measurements together. This will give you the area of the front surface of the box.


Why do cells need a large surface area?

pendu vhale


Which of the following is a major cause of the size limits for certain types of cells?

The major cause of size limits for cells is the surface area to volume ratio. As a cell grows, its volume increases faster than its surface area, leading to difficulty in exchanging nutrients and wastes efficiently. This can compromise the cell's functions and survival.