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Explain the difference between simple and composite attributes Provide at least one example of each?
Composite attributes can be divided into smaller subparts, which represent more basic attributes with independent meanings. For Eg: the address attribute of the employee entity can be subdivided into street add, city, state and zip. They can also form hierarchy like the street ass can be further subdivided into three simple attributes i.e. no street and apartment no. its value is the concatenation of the values of its constituent simple attributes. Attributes that are not divisible are called simple or atomic attributes.
A quarter of a circle plus an eight of a circle is what percent of a circle?
A quarter of a circle is 2/8 of a circle. Add to that an eighth (1/8) of a circle (not eight) and this equals 3/8 of a circle. This equates to 37.5 % of a circle.
Who invented half circle full circle half circle A half circle full circle right angle A?
John Stith Pemberton
Define what the circumference of a circle?
The circumference of a circle is the perimeter of the circle for a given diamater.
What is a line that goes through a circle?
A line that goes through a circle is a secant line. (Remember that a line is infinitely long.) Anyline that passes through a circle is a secant line, whether it passes through the center of the circle or not. Compare this to a line segment with endpoints on the circumference of a circle. That segment is called a cord of that circle. If the cord of a circle passes through the center of that circle, it is a diameter of that circle, which is the longest cord of the circle.
