Area and perimeter formulas of quadrilaterals
Answers
Perimeter is the distance around a shape. To find the perimeter of any two dimensional shape, find the sum of the lengths of all the sides.
Area is the number of square units it takes to cover a two dimensional shape. The most basic shape to find the area of is a rectangle. The area of a rectangle is base times height.
AreaRectangle=bh
[Figure 1]
By dissection, a parallelogram can be turned into a rectangle.
[Figure 2]
Therefore, the area of a parallelogram is also base times height.
AreaParallelogram=bh
[Figure 3]
You can think of any triangle as half a parallelogram. If you rotate a triangle 180∘ about the midpoint of one of its sides, the original triangle and the new triangle will be a parallelogram.
Answer:
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Step-by-step explanation:
The formula is a + b + c+ d = perimeter. For example, suppose that a quadrilateral has sides with lengths of 1, 5, 3 and 4 inches. The perimeter equals 1 + 5 + 3 + 4 or 13 inches.