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Instructional Video4:22
Curated OER

How Do You Find a Missing Angle in a Triangle?

For Teachers 6th - 10th
The interior angles of any and ALL triangles adds up to 180 degrees. So if given two of the angle degrees, is it possible to find the value of the third angle? Yes! Use the triangle sum theorem to solve for the missing angle. Watch this...
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Instructional Video5:16
Krista King Math

How to Write Small and Big Numbers in Scientific Notation

For Students 3rd - 7th
Now you don't have to write all those zeros. Viewers of this video learn how to write large and small numbers in scientific notation. The video covers two examples for each type.

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