Some rectangles don't have equal sides.
This is related to the calculation of the area of a square: area = side x side = side2.
To find area of a square, you multiply side lengths. 5 x 5 = 25
Because they (IMO) have the simplest area to find, to just square side. Triangles are half of a square Rectangles are uneven. Circles are rounded, and hard to find the area of. Plus, a square has 2 equal dimensions, so think 2D.
For a parallelogram, the area is base x altitude. The altitude is the vertical distance between the base and the side opposite of the base. In a rectangle, which is also a rectangle, the side adjacent to the base, is equal in length to the altitude, because it is perpendicular to the base.
The formula for the area of a square is simply L2 (sometimes referred to as s2 ) where L (s) is the length of one side. The formula for the area of a rectangle is LW, where L is the length and W is the width. The formula for the area of a rectangle can be used to find the area of a square, but the formula for the area of a square cannot be used to find the area of a rectangle. This is because by definition, all squares are rectangles, but not all rectangles are squares.
A rectangular box has six sides. Find the area of them and add them together. Two sides are length times height, two sides are length times width, and two sides are width times height. Surface Area = 2LH + 2LW + 2WH
To get the area of a square (including rectangles), multiply side (12) x side (9), which equals 108 inches.
It is the longest side in a right-angled triangle. You can find it by squaring and adding together the two shorter sides and when you get the answer, find the square root of the number.
The perimeter of square is calculated by taking the length of all four sides (which are equal) and multiplying the sum by four. The area can be calculated by taking one length and squaring it. If the perimeter is 1-centimeter (cm) total, each side is .25-cm. Therefore the area after squaring the length is .0625 sq. cm.
Then its area will only be a quater of once it was.
The answers depend on what measures are available for the rectangles (sides, diagonals), for the triangle (3 sides, 2 sides and included angle, one side and 2 angles), and for the circle (radius, perimeter). In each case the formula to be used will be different.
If you are trying to find the ratio of the lengths of two similar rectangles, divide the length of one side of one rectangle by the corresponding side length of the other rectangle. To find the ratio between their volumes, divide the volume of one rectangle by the volume the other rectangle. To find volume, multiply the width of the rectangle by the length of the rectangle.