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Geometry
Geometry Camp
Geometry
12 topics
101 lectures
Educators
Sign up for Geometry Bootcamp
Camp Curriculum
Circles
17 videos
Parallel and Perpendicular lines
14 videos
Deductive Reasoning
1 videos
Non Rigid Transformations (Dilations)
2 videos
Polygons
6 videos
Geometry Basics
3 videos
Properties of Quadrilaterals
5 videos
Right Triangles
13 videos
Rigid Motions (Isometries)
6 videos
Volume
10 videos
Terminology
5 videos
Relationships Within Triangles
19 videos
Lectures
12:03
Circles
(A few) Circle Theorems
In mathematics, a theorem is a statement that has been proven on the basis of previously established statements, such as other theorems, and generally accepted statements, such as axioms. A theorem is a logical consequence of the axioms. The proof of a mathematical theorem is a logical argument for the theorem statement given in accord with the rules of a deductive system. The proof of a theorem is interpreted as justification of the truth of the theorem statement.
Kurt Kleinberg
07:43
Circles
Angles and Cirlce Theorems with chords and tangents
In mathematics, the tangent function is a function that describes a line tangent to a curve. The concept of a tangent is used in analytic geometry, calculus, and trigonometry. The concept of a tangent is defined in every dimension, and a line that is tangent to a curve in the plane or in space is called a tangent line.
Kurt Kleinberg
03:42
Circles
Arc Length
In mathematics, the length of an arc of a curve at a particular point is the measure of the segment of the curve joining the endpoints of the arc. The length of the curve between two points is the length of the shortest curve between them. The length of an arc of a curve at a particular point is the measure of the segment of the curve joining the endpoints of the arc.
Kurt Kleinberg
03:09
Circles
Arc Length Examples
In mathematics, the length of an arc of a curve (or of a curve) is the measure of the curve (or curve) between two adjacent points on the curve.
Kurt Kleinberg
03:14
Circles
Area of Sector
In trigonometry, the area of a sector of a circle is the segment of the circle. Its area is equal to half of the product of the radius and its arc length.
Kurt Kleinberg
03:47
Circles
Area of Sector Examples
In trigonometry, the area of a sector of a circle is the segment of the circle. Its area is equal to half of the product of the radius and its arc length.
Kurt Kleinberg
09:02
Circles
Central and Inscribed Angle Practice
In geometry, the angle of a polygon is formed by two adjacent sides of the polygon. Angles are usually assumed to be in a Euclidean plane with the circle taken for standard with a positive origin, or with the x-axis taken as positive. The measure of an exterior angle of a simple (non-self-intersecting) polygon is less than the sum of the measures of its interior angles. A convex polygon has all interior angles less than 180 degrees. An n-sided convex polygon has (n-2) interior angles less than 180 degrees.
Kurt Kleinberg
04:01
Circles
Circle in Coordinates
A circle is the set of points in a plane that are equidistant from a given point, the centre, and lie on a given straight line, the radius. The distance between any of the points and the centre is called the radius. The point together with the radius is called the centre. The centre and the radius together are called the circumradius. Circles are the only sets in the Euclidean plane that are not closed.
Kurt Kleinberg
06:06
Circles
Circles Intro and Terminology
In geometry, a circle is a simple shape of two-dimensional Euclidean space that is the set of all points in a plane that are at a given distance from a given point, the centre.
Kurt Kleinberg
00:06
Circles
Circles and Coordinates Examples
In mathematics, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of a point or other geometric element on a manifold such as Euclidean space.
Kurt Kleinberg
02:13
Circles
Circles and Tangents
In geometry, a tangent line to a circle is a line that just touches the circle at one point. If the circle has center (h, k) and radius r, the equation of a tangent line is
Kurt Kleinberg
03:54
Circles
Circles and Tangents Examples
In mathematics, a tangent line to a plane curve at a given point is a straight line that "just touches" the curve at that point. More precisely, a tangent line is a line that has the same direction as the curve at the point where it touches the curve, and has a point of contact with the curve at that same point.
Kurt Kleinberg
09:57
Circles
Inside and Outside Angle Theorem Practice
An angle is formed by two rays sharing a common endpoint, called the vertex of the angle. A ray is a line segment that starts at a point and extends indefinitely in one direction. A segment is a part of a line between two points. Angles formed by two intersecting lines are called intersecting angles. Angles formed by two intersecting lines that are not parallel are called complementary angles. Angles formed by two intersecting lines, one of which is a chord of the circle, are called inscribed angles. Angles formed by two intersecting lines, one of which is a chord of the circle, and the other a tangent to the circle, are called central angles.
Kurt Kleinberg
02:20
Circles
Naming Circles Radii and Diameters
In geometry, the circle is a simple shape, the boundary of a region in the plane bounded by a circle of some radius centered at a fixed point called the center. The circle may be the boundary of a disk, and is then called a disk. A circle is a special kind of ellipse, the only kind of conic section, a plane curve resulting from the intersection of a cone by a plane parallel to an axis of the cone. A circle is a simple closed curve which divides the plane into two regions, an interior and an exterior. The boundary of the exterior region is called the circumference. The interior region is called the interior.
Kurt Kleinberg
05:58
Circles
Segment Rules
In mathematics, a segment rule is an algorithm for finding the integral of a function of two variables.
Kurt Kleinberg
06:55
Circles
Segment Rules Examples
In mathematics, the segment addition postulate, also known as the parallel postulate, is a statement about collinear points in Euclidean geometry.
Kurt Kleinberg
03:09
Circles
Using Circle Thms Examples cont.
In mathematics, a trigonometric identity is an equality holding for all values of the trigonometric functions, usually expressed as a product of trigonometric functions. Trigonometric identities are often used to prove other identities. The most basic trigonometric identities are the Pythagorean identities, which involve the product of sine and cosine functions. There are also the addition formulas, which involve the sum of sine and cosine functions.
Kurt Kleinberg