Which accurately describes a letter written during the time a historical event occurred?
Answer Expert Verified A letter written during the time a historical event occurred would be considered a primary source, as opposed to secondary source, since it gives the point of view of someone who lived through the event in question.
Which accurately describes a letter written during the time a historical event occurred Brainly?
Therefore, a letter written during the time a historical event occurred would be considered as a “useful primary source document” because this document is a first-hand account of the historical event being studied (primary source) and also provides information about it, which make it a useful document.
Which accurately describes a chart developed 20 years after a historical event?
“effective secondary source document” would be the best option in terms of a chart developed 20 years after a historical event, but this is not always true.
Which accurately describe a chord?
Answer: A chord of a circle is a line segment whose endpoints both lie on the circle. In general a chord is a line segment that connects two distinct points on a circle. Its also called a secant in a circle, that intersects the circle at exactly two points.
Which accurately describes a diameter?
Answer. Answer: A diameter goes through the center of a circle and has both endpoints on the circle; this makes it a chord that goes through the center.
Which of the following can be considered a chord?
A line segment connecting two points on a curve. Example: the line segment connecting two points on a circle’s circumference is a chord. When the chord passes through the center of a circle it is called the diameter.
Which line is called as chord?
A chord of a circle is a straight line segment whose endpoints both lie on a circular arc. The infinite line extension of a chord is a secant line, or just secant. More generally, a chord is a line segment joining two points on any curve, for instance, an ellipse.
What is the formula of chord?
r is the radius of the circle. c is the angle subtended at the center by the chord….Chord Length Formula.
| Formula to Calculate Length of a Chord | |
|---|---|
| Chord Length Using Perpendicular Distance from the Center | Chord Length = 2 × √(r2 − d2) |
| Chord Length Using Trigonometry | Chord Length = 2 × r × sin(c/2) |
What is another name for a chord that passes through?
A segment of a straight line joining two points on a circle is called a chord; a chord that passes through the center of the circle is called a diameter.
Is two chords always have the same length?
Two chords always have the same length.
What are the three parts of a circle?
A circle divides the plane into three parts: The points inside the circle, the points outside the circle and the points on the circle.
How many parts are in the circle?
Radius, diameter, center, and circumference–all are parts of a circle.
What is a square root of 11?
List of Perfect Squares
| NUMBER | SQUARE | SQUARE ROOT |
|---|---|---|
| 8 | 64 | 2.828 |
| 9 | 81 | 3.000 |
| 10 | 100 | 3.162 |
| 11 | 121 | 3.317 |
What is the square of 12?
“Is it possible to recreate this up to 12×12?”
| 0 Squared | = | 0 |
|---|---|---|
| 9 Squared | = | 81 |
| 10 Squared | = | 100 |
| 11 Squared | = | 121 |
| 12 Squared | = | 144 |
What is the perfect square of 12?
144
How do I simplify 12?
Reduce 12/12 to lowest terms The simplest form of 1212 is 11.