Trigonometry and Area Videos - Free Educational Videos for Students in K - 12

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This page provides a list of educational videos related to Trigonometry and Area. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Trigonometry and Area.


Area of a Triangle - MathHelp.com - Geometry Help


By yourteachermathhelp

Students learn the formula for the area of a triangle and are asked to solve problems using this formula. Note that right triangle formulas and trigonometry are used extensively in the problems in this lesson.

Area of a Trapezoid - YourTeacher.com - Geometry Help


By yourteachermathhelp

For a complete lesson on area of a trapezoid go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson students learn the formula for the area of a trapezoid and are asked to solve problems using this formula. Note that right triangle formulas and trigonometry are used extensively in the problems in this lesson.

Area of inscribed equilateral triangle (some basic trig used) | Circles | Geometry | Khan Academy


By Khan Academy

This video will give you a good feel for what inscribed figures are like. It uses some trigonometry to figure out what the area of an equilateral triangle inscribed in a circle is, given the circle's radius. NOTE: We don't actually need trigonometry to solve this problem. Notice that we can view the equilateral triangle as six identical 30-60-90 triangles, the hypotenuses of which are radii of the circle, then use the 30-60-90 triangle side length ratios to figure out the rest of what we need to know to solve the problem.

Area of inscribed equilateral triangle (some basic trig used) | Circles | Geometry | Khan Academy


By Khan Academy

This video will give you a good feel for what inscribed figures are like. It uses some trigonometry to figure out what the area of an equilateral triangle inscribed in a circle is, given the circle's radius. NOTE: We don't actually need trigonometry to solve this problem. Notice that we can view the equilateral triangle as six identical 30-60-90 triangles, the hypotenuses of which are radii of the circle, then use the 30-60-90 triangle side length ratios to figure out the rest of what we need to know to solve the problem.

07 - What is an Exponential Function? (Exponential Growth, Decay & Graphing).


By Math and Science

Quality Math And Science Videos that feature step-by-step example problems!