Midpoint formula: how to find midpoint (video) | Khan Academy
Learn how to use the midpoint formula to find the midpoint of a line segment on the coordinate plane, or find the endpoint of a line segment given one point and the midpoint.
Midpoint formula (geometry applications) - Khan Academy
Let's practice some geometry problems that can be solved by applying the section formula.
Angle types review (article) | Geometry | Khan Academy
Review the following types of angles: acute, right, obtuse, and straight. Identify and draw types of angles in some practice problems.
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Formation of hemiacetals and hemiketals (video) | Khan Academy
Voiceover: In the previous video, we saw how to make hydrates from aldehydes and ketones, and this video will show how to form hemiacetals from either an aldehyde or a ketone. And so the …
Formation of imines and enamines (video) | Khan Academy
How aldehydes and ketones react with primary and secondary amines to for imines and enamines.
Ordering decimals through thousandths (video) | Khan Academy
Learn all about comparing decimals. It teaches students how to order decimals from least to greatest by comparing each place value, starting from the most significant and moving to the …
Left & right Riemann sums (article) | Khan Academy
Areas under curves can be estimated with rectangles. Such estimations are called Riemann sums.
Worked example: finding a Riemann sum using a table
When we have a table of values of a function, we can use it to find a Riemann sum approximation of that function.
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