We cannot take half of 9 people. The even numbers, then, are the numbers divisible by 2: 2, 4, 6, 8, and so on. The odd numbers are 1, 3, 5, 7, and so on. If you do not know half of some even number, you can find it by decomposing it mentally into two even numbers whose half you do know.
To draw a shape, line or angle accurately using a compass and straightedge (ruler). Sometimes you are also allowed to use a protractor and triangle.
Full Definition of CONSTRUCTION. 1. : the act or result of construing, interpreting, or explaining. 2. a: the process, art, or manner of constructing something; also: a thing constructed.3. : the arrangement and connection of words or groups of words in a sentence: syntactical arrangement. 4. Construction of the new bridge will begin in the spring. 2  Construction on the bridge will occur daily from 8:00 p.m. to 4:00 a.m. 3  Note the similar construction of the buildings. 4  Some people think it is wrong to end a sentence with a preposition, but the construction is quite common in English.