Math Student Help

Access full lesson containing this video at: http://www.yourteacher.com/geometry/similartriangle.php Students learn that similar polygons have the same shape, and if two polygons are similar, then the corresponding angles are congruent, and the corresponding sides are in proportion. Students also learn that the scale factor is ratio of the lengths of two corresponding sides. Students are then asked to use these concepts to find missing angle measures and missing side lengths in similar figures.

Duration : 0:3:0

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Triangle Of Sin: Creationist Geometry Lesson by
• http://www.youtube.com/ozmoroid

“I’ve been thinking of picking up a few extra bucks by working as a substitute teacher. Since I don’t have a teaching credential, I thought maybe I could work at one of those private, fundamentalist Christian schools. Here’s my audition tape. By the way, sorry about those previous ‘edgy atheist’ type videos. I don’t know what I was thinking. This here is the real me.

Thanks to youtuber younhol00 for turning me on to the excellent creationist illustration. I’m claiming Fair Use for the purposes of commentary and parody.”

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Duration : 0:4:4

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Access full lesson containing this video at: http://www.yourteacher.com/geometry/306090triangles.php Students are asked to solve advanced problems using the 45°-45°-90° and 30°-60°-90° triangle formulas, such as finding the missing parts of a rhombus, a trapezoid, or an equilateral triangle.

Duration : 0:4:11

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Access full lesson containing this video at: http://www.yourteacher.com/geometry/pythagoreantheorem.php Students learn the Pythagorean Theorem, which states that the sum of the squares of the lengths of the legs of a right triangle is equal to the square of the length of the hypotenuse, or a^2 + b^2 = c^2. Students are then asked to find missing side lengths of right triangles using the Pythagorean Theorem.

Duration : 0:2:27

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Access full lesson containing this video at: http://www.yourteacher.com/geometry/areaoftriangle.php 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.

Duration : 0:3:36

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