The coordinates of three vertices of a triangle are (3, 5), (-1, 5), and (-1, -3). What is the area of the triangle?
1 answer:
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Answer: Real number, Rational number.
Step-by-step explanation:
To solve this exercise you must know the following definitions:
1. A Rational number is a number that you can write as a fraction, whose numerator and denominator are integers.
2. By definition, the Real numbers contain Natural numbers, Whole numbers, Integers, Rational numbers and Irrational numbers.
3. Then, the number 2.55 can be written as a fraction: , therefore, it is a Real number and a Rational Number.