Answer:
1. 30 → real, rational, integer, whole number, natural number
2. •11 → real, irrational
3. 5 ⁴/7 → real, rational, integer
4. √21 → real, irrational
5. 0 → real, rational, integer, whole, natural
6. -√9 → real, rational, integer, whole
7. 6/3 → real, rational, integer, whole, natural
8. π → real, irrational
9. 5⅔ → real, rational, integer
Step-by-step explanation:
Explanation:
This looks like an essay question with no right answer.
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There are two "special" right triangles:
isosceles 45°-45°-90° triangle with sides in the ratios 1 : 1 : √2
30°-60°-90° triangle with sides in the ratios 1 : √3 : 2
These side lengths give rise to the trigonometric ratios shown below for angles with 30°, 45°, or 60° as reference angles.
Answer:
Parallel lines
Step-by-step explanation:
Line BC:
Line AD:
Adding both equations, in this case, gives us the point at which the lines intersect:
Since zero will never equal fourteen, the equation above means that lines BC and AD will never intersect. When two lines have no point in common, they are said to be parallel lines.