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Questions and Answers
The sum of the angles in a triangle is always $180$ degrees.
True
A circle is defined as the set of all points that are $2$ units away from the center.
False
The distance between two points in a Cartesian plane can be calculated using the formula $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$.
True
In an isosceles triangle, all three sides are of equal length.
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The slope of a line that rises from left to right is considered positive.
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Study Notes
Triangle Geometry
- The sum of interior angles in any triangle always equals 180 degrees.
Circle Definition
- A circle is defined as the set of all points that are equidistant from a central point.
- This distance from the center is called the radius.
Distance Formula
- The distance between two points in a Cartesian plane (x, y) can be calculated using the distance formula: $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$.
Isosceles Triangle
- An isosceles triangle has two sides of equal length.
Slope of a Line
- A line that rises as it moves from left to right has a positive slope.
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Description
Test your knowledge on fundamental geometry concepts including triangle angles, circles, distances, and slopes. This quiz covers definitions and important properties that are essential for understanding geometric principles.
