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Well if you just have a rectangle or a square, that's easy. Just times the length by the width. For example:
Length = 5cm
Width = 6cm
Area = 20cm squared
When you write the area, put a little '2' by the measurement to show 'squared'.
However, if you have an irregular shape, split it into small rectangles then use the steps above on each rectangle to find the area. Then add them all together - remembering the little 2 to show that it's squared.
For triangles, just use the ordinary rectangle steps, then half the answer. This is because if you put a triangle on that was the same size, it would be a rectangle (sorry, I'm not too good at explaining).
If you have other shapes - ask someone else. I'm not really sure for that.
Now, next lesson, how to do long multiplication!
Just kidding, don't worry!
Sorry it's so long and boring!
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How do you find the total area of the wall?
length X width area LXW=A
Is the area times or add in maths?
From the known length of the sides, length and width, to find the area you multiply(times) the length X width = Area. If you have a given area and wish to find the total area of an adjacent (next to) area, you add the areas. Area(1) + area(2) = Area (Total(.
How do you find the total surface area of a closed cylinder?
Total surface area = (2*pi*radius2)+(diameter*pi*height)
How do you find the total area of a room?
A =Lw....A- areal - lengthw - width
Find the total surface area of this half sphere with a radius of 10?
Total surface area = (2*pi*r2)+(pi*r2) Area = 300*pi in square units
