Instructional Video3:10
Brian McLogan

Applying herons formula to find the area of a triangle

12th - Higher Ed
Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Instructional Video14:18
Brian McLogan

Learn how to find the surface area of a cone

12th - Higher Ed
👉 Learn how to find the volume and the surface area of a cone. A cone is a 3-dimensional object having a circular base and round surface converging at a single point called its vertex (or apex). The vertical distance from the circular...
Instructional Video4:43
Brian McLogan

Finding the value of x using the interior sum theorem for a hexagon

12th - Higher Ed
👉 Learn how to solve for an unknown variable in the interior angle of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The...
Instructional Video5:25
Brian McLogan

How to find the surface area of a triangular prism

12th - Higher Ed
👉 Learn how to find the volume and the surface area of a prism. A prism is a 3-dimensional object having congruent polygons as its bases and the bases are joined by a set of parallelograms. A prism derives its name from the shape of its...
Instructional Video1:50
Brian McLogan

How to determine the sum of all interior angles of a polygon ex 1

12th - Higher Ed
👉 Learn how to determine the sum of interior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Instructional Video6:57
KnowMo

Volume of Prisms: Understanding Cross-sectional Areas and Depth

12th - Higher Ed
This video is a selective presentation on the topic of volume of prisms in geometry. The presenter explains the concept of prisms and their cross-sectional area, and how it helps in defining the volume. The video covers different...
Instructional Video2:53
Fun Kids

The Shapes Song #2

Pre-K - K
Learn shapes names in English with The Shapes Song from Fun Kids English. In this song, we'll learn about the triangle, rectangle, oval, and star. Let's have fun learning shape names in English. A fun way for children to learn shapes.
Instructional Video6:53
Brian McLogan

Writing a proof for an acute triangle

12th - Higher Ed
👉 Learn how to write a proof given a triangle. A triangle is a polygon with three sides. A proof is a series of statements and reasons that establishes the truth of a mathematical claim(statement). To write a proof given a triangle, we...
Instructional Video3:04
Brian McLogan

Determine how to use angle relationships to solve for the missing angle

12th - Higher Ed
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Instructional Video3:19
KnowMo

Angles, Triangles, and Polygons: Understanding the Degrees Inside Geometric Shapes

9th - Higher Ed
This video is an educational lesson on angles, triangles, and polygons. The presenter explains how to calculate missing angles in triangles and how the exterior angle is related to the opposite angles of a triangle. They also discuss...
Instructional Video3:16
Curated Video

Finding the Shortest Distance on the Coordinate Plane using the Pythagorean Theorem

K - 5th
In this video, the teacher explains how to find the shortest distance between two points on a coordinate plane using the Pythagorean theorem. They demonstrate the process by creating right triangles and plugging the values into the...
Instructional Video7:25
Curated Video

Proving Angle Relationships in Triangles

K - 5th
Learn how to find the measure of angle A in a triangle when angle B is given as 40 degrees. This lesson covers the concepts of congruent angles, parallel lines, and side-angle-side congruence. Watch a demonstration of how to prove the...
Instructional Video10:06
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Trigonometry - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Instructional Video9:49
Brian McLogan

Find the missing measures, law of cosines then law of sines

12th - Higher Ed
Find the missing measures, law of cosines then law of sines
Instructional Video4:38
Brian McLogan

Learn how to create a triangle and evaluate all six trig functions given cosecant

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Instructional Video4:18
Brian McLogan

Convert rectangular points to polar then graph

12th - Higher Ed
Convert rectangular points to polar then graph
Instructional Video6:52
KnowMo

Angles in an Isosceles Triangle

9th - Higher Ed
This video is a lecture presentation on angles in isosceles triangles. The presenter explains the properties of triangles and how angles in a triangle add up to 180 degrees. The focus is on isosceles triangles, which have two equal side...
Instructional Video11:58
Schooling Online

Physics Kinematics: Motion in a Straight Line - Equations of Motion Part 2

3rd - Higher Ed
Lotus gets up early to train for an upcoming marathon. Watch her tackle the infamous heartbreak hill! This lesson will derive the equations of motion for uniform acceleration using a velocity-time graph. Definitions included: derivation
Instructional Video3:38
Curated Video

Classifying Right Triangles

K - 5th
In this lesson, students will learn the concepts of acute, obtuse, and right angles, as well as equilateral, isosceles, and scalene sides. By combining both angles and sides, students will be able to classify different types of right...
Instructional Video3:55
Brian McLogan

Evaluate the six trig functions by when given one value and constraint

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Instructional Video3:47
Brian McLogan

Based on the angles of a triangle learn how to classify the triangle ex

12th - Higher Ed
👉 Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Instructional Video2:39
Brian McLogan

What are the pythagorean identities

12th - Higher Ed
👉 Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right...
Instructional Video7:24
Let's Tute

Ratios of Areas of Similar Triangles

9th - Higher Ed
This video demonstrates an activity to verify the theorem on ratios of areas of two similar triangles. It explains how to construct and paint triangles to show that the ratio of their areas is equal to the ratio of the squares of their...
Instructional Video1:52
Brian McLogan

Geometry -Solve the missing length using the triangle bisector theorem

12th - Higher Ed
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...