Perimeter is the total length of the boundary of a closed shape. It is found by adding the lengths of all sides. Different shapes have different formulas for perimeter. For a rectangle it is twice the sum of length and ...
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A rectangle is a quadrilateral with opposite sides equal in length and all interior angles measuring 90 degrees. The diagonals of a rectangle are equal in length and bisect each other. The area of a rectangle is calculated by multiplying ...
A circle is a shape where all points are equidistant from a fixed point called the center. It has no corners or edges. The distance from the center to any point on the circle is called the radius. The longest ...
Notation is a system of symbols or signs used to represent mathematical concepts or operations. It includes symbols for numbers variables operations such as addition subtraction multiplication and division as well as other concepts like fractions exponents and functions. Notation ...
Fractions represent parts of a whole. The numerator is the number of parts being considered while the denominator shows the total number of equal parts. Fractions can be proper improper or mixed. They can be simplified or converted into decimals ...