Curated Video
Proving or Disproving Rectangles in the Coordinate Plane
In this video, the teacher explains how to prove or disprove that four points in a coordinate plane make up a rectangle. They review different ways to classify quadrilaterals and then demonstrate how to prove that a shape is a...
Math Fortress
Geometry: Division of Segments and Angles (Level 2 of 8)
In this video we will apply the concepts learned from the previous video to solve 6 basic problems related with division of segments and angles.
Curated Video
Finding Surface Area of Triangular Prisms
In this lesson, students will learn how to develop a plan for finding the surface area of triangular prisms by identifying the different sizes of faces and applying their knowledge of congruent faces. The lesson provides clear...
TMW Media
Geometric Proofs: Part 2 of 3 of learning to solve proofs
This video contains 2 more proofs to solve. Geometric Proofs, Part 5
Curated Video
Using Properties of Parallelograms and Triangles to Solve Real-World Problems
In this video, the teacher explains how to use the properties of parallelograms and triangles to solve real-world problems. They demonstrate this by using the example of constructing a wooden gate, where they determine the lengths of...
Brian McLogan
How To Write the Congruent Parts of a Triangle - Congruent Triangles
👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...
Curated Video
Exploring Similarity in Circles: Translations and Dilations
In this video, the teacher explains how to determine if two circles are similar using translations and dilations. They define similarity as having congruent corresponding angles and proportional corresponding sides. The video provides...
msvgo
Volume of a Cube and a Cuboid
It introduces the concept of volume. It explains how to calculate the volume of cubes and cuboids.
Brian McLogan
Find the missing measure of angles for an isosceles triangle
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Math Fortress
Geometry: Division of Segments and Angles (Level 8 of 8)
In this final video on division of segments and angles we will go over 2 challenging examples involving angle bisectors and angle trisectors.
Brian McLogan
Writing a Proof for Congruent Triangles Using AAS
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Curated Video
Graphing Dilations Using Coordinates
In this video, the teacher explains how to dilate a triangle without using a graph. They review the concept of scale factor and show how it affects the dimensions of an image. By multiplying the coordinates of each point by the scale...
Curated Video
Drawing Geometric Shapes with Given Lengths of Sides
In this video, the teacher explains how to draw geometric shapes using only the lengths of their sides. They demonstrate how to draw triangles with different side lengths and explore the concept of congruent triangles. They also show how...
Math Fortress
Geometry: Collinearity, Betweenness, and Assumptions (Level 1 of 4)
In this video we will go over the concepts of collinearity, betweenness of points, triangle inequality, and assumptions from diagrams.
Brian McLogan
Use a Two Column Proof to Prove Two Triangles are Congruent - Congruent Triangles
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
msvgo
Parallelogram and Its Properties
It explains a parallelogram and its properties such as opposite sides and opposite angles are equal and each diagonal divides the parallelogram into two congruent triangles.
Math Fortress
Geometry: Measurement of Segments (Level 1 of 4)
This video introduces the basic concepts associated with measurement of segments. Topics covered: Measuring Segments and Congruent Segments.
Tarver Academy
6-4 Properties of Special Parallelograms - GEOMETRY
In This Episode, Tyler Teaches Us About Properties of Special Parallelograms - Geometry
Brian McLogan
Writing a proof to prove a parallelogram is a rectangle
👉 Learn how to solve problems with rectangles. A rectangle is a parallelogram with each of the angles a right angle. Some of the properties of rectangles are: each pair of opposite sides are equal, each pair of opposite sides are...
Brian McLogan
How to determine the measure of the arc if the chords are congruent
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
Given similar figures determine your missing values
Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the sides...
Brian McLogan
Using the properties of parallelograms to solve for the missing diagonals
👉 Learn how to solve problems with parallelograms. A parallelogram is a four-sided shape (quadrilateral) such that each pair of opposite sides are parallel and are equal. Some of the properties of parallelograms are: each pair of...
Brian McLogan
Learning to Find the Value of X and Y from Congruent Triangles
👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
Brian McLogan
How To Write a Proof for Parallel Lines
👉 Learn how to write a proof when given angles from parallel lines and a transversalWe will explore angle relationships with parallel lines and a transversal. Parallel lines are two lines on a plane that will never intersect and a...