Lumos Video Store
This page provides a list of educational videos related to Describing Area. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Describing Area.
Learn English - Singular, Plural, and Non-Count
By efljack
This tutorial describes the difference between singular and plural nouns, as well as other number class-related issues. Many examples and clear definitions make this video easy to follow. Other areas of the English language that change due to singular and plural forms are addressed as well.
Rotating 2D shapes in 3D | Perimeter, area, and volume | Geometry | Khan Academy
By Khan Academy
This video shows the effect of rotating a 2D shape to show the relationship between 2D and 3D shapes.
Quadrilaterals, polygons and transformations
By MathPlanetVideos
Find the measures of angles of these figures
number of triangles from polygons
By Elites Grid Academy
A brief video detailing the the number of triangles from polygon
10.7 Inscribed and Circumscribed Polygons (Lesson)
By AutenMath
This video offers a lesson on polygons inscribed in and circumscribed about a circle.
12: Duality for polygons and the Fundamental Theorem of Algebra
By UNSWelearning
This is a video lecture course on Algebraic Topology by Prof. N J Wildberger of the School of Mathematics and Statistics, The University Of New South Wales, Australia. It features a visual approach to the subject that stresses the importance of familiarity with specific examples. It also introduces rational curvature, a simple but important innovation.......
10.7 Inscribed and Circumscribed Polygons (Practice)
By AutenMath
10.7 Inscribed and Circumscribed Polygons (Practice)
Trigonometric functions and side ratios in right triangles
By Khan Academy
Sal is given a diagram with multiple right triangles and is asked to match different expressions with different trig values.
Trigonometric functions and side ratios in right triangles
By Khan Academy
Sal is given a diagram with multiple right triangles and is asked to verify identities relating to trig ratios in those triangles.
Trigonometric functions and side ratios in right triangles
By Khan Academy
Sal explains how the trigonometric ratios are derived from triangle similarity considerations.
Types of Polygons - MathHelp.com - Geometry Help
By yourteachermathhelp
Students learn the definition of a polygon as well as the definitions of concave and convex polygons. Students also learn the following polygon classifications: triangle (3 sides) quadrilateral (4 sides) pentagon (5 sides) hexagon (6 sides) heptagon (7 sides) octagon (8 sides) nonagon (9 sides) decagon (10 sides) dodecagon (12 sides).
LEAP 2020-21 Blueprint and Best Practices | 10 Min. webinar organized by EdShorts
By Lumos Learning
This Free 10 Min power-packed webinar organized by EdShorts on Jan 28th provides all the information available about 2021 LEAP Assessments - such as testing guidelines, blueprint changes, testing windows, and more! Join the EdShorts Facebook community today: https://www.facebook.com/groups/60370... for more bite-sized power-packed webinars every week!