Brian McLogan
What are the different types of inscribed angles
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Brian McLogan
How to determine the angle of an inscribed angle of a tangent and secant line
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Curated Video
Find Measures of Inscribed Angles Using Central Angles
In this video, the teacher explains the relationship between the measure of an inscribed angle and its intercepted arc. They use the central angle theorem to prove and apply this relationship. By understanding this theorem, students can...
Curated Video
Finding Missing Angle Measurements in Circles using the Intersecting Chord Theorem
In this video, the teacher explains how to find missing angle measurements within a circle using the intersecting chord theorem. They discuss the central angle theorem, the exterior angle theorem, and the difference between arc measure...
Curated Video
Circle Geometry: Circles with Tangents and Inscribed Angles
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q12, which involves angles of a circle. Students will understand the properties of tangents and inscribed angles in a circle. They will derive...
Brian McLogan
Given two inscribed angles determine the value of x on a circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
Using two inscribed angles and a semi circle to determine the value of x
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
What is the relationship for two inscribed angles with the same endpoints
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
Solve for the value of x and y using congruent inscribed angles
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
How to find the measure of an angle using inscribed angles
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Visual Learning Systems
Igneous and Metamorphic Rocks: Video Quiz
This video explains how heat, pressure and chemical reactions may transform one type of rock into another. The formation and classification of metamorphic and igneous rocks is highlighted. Other terminology includes: extrusive rock,...
Brian McLogan
If two inscribed angles share the same arc how do they relate
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
How to determine the measure of an arc from an inscribed angle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
Using an inscribed angle to determine the measure of an arc on a circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
Using inscribed angles to determine the value of x and y
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
What is a central angle of a circle
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Brian McLogan
What is the chord of a circle
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
The Business Professor
8th Amendment - Criminal Law Protections
This video discusses the protections afforded individuals from prosecution under the 8th Amendment of the US Constitution.
Brian McLogan
How to find the measure of an angle that is inscribed from a secant and tangent line
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Let's Tute
Circle Theorems: 12 Theorems Based on Circles
Circle Theorems part 2/3: The teacher in the video explains and proves 9 out of 12 theorems related to circles, using basic concepts and properties of triangles. The theorems include equal chords of a circle, angles subtended by an arc...
Curated Video
AMAZING CIRCLE ILLUSION! Optical Illusion Explained With Math
This incredible optical illusion shows how circular motion can result from linear motion! The reason we see the circle has to do with high school geometry. I explain why and give a formal mathematical proof in the video. My blog post for...
Curated Video
Constructing an Inscribed Circle on a Triangle Using Angle Bisectors
In this video, you will learn how to construct an inscribed circle on a triangle using the triangle's angle bisectors. The inscribed circle is the largest possible circle that fits inside the triangle, with the triangle's sides tangent...
Brian McLogan
How to find the perimeter of a triangle given a lot of tangent lines
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
CK-12 Foundation
Inscribed Angles in Circles: Lesson
Circle the angles and intercept the arcs. The video introduces three theorems relating to inscribed angles in circles. Using drawings, the segment of a playlist on geometry illustrates the measure of angle along with theorems about two...