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Mathematics: Similar triangles

SIMILAR TRIANGLES

In this module, you can study how to figure out whether triangles are similar and how to figure out side lengths in similar triangles.

 

The video above explains similar triangles in just three minutes. Toward the end, the tutor gives an example using "feet" as the unit of measure, but most of this video uses the metric system.

 

This video from Khan Academy goes into more detail about similar triangles.

 

Study and practice

You have to use measurements to tell whether two triangles are similar.

Two similar triangles can have different orientations on paper.  


Practice and study

HOW TO USE A BASIC CALCULATOR

The video explains how to use basic calculator functions and provides examples.

 

0.00 min      addition (+), subtraction (-), multiply (x), divide (÷)

1.19 min      decimal point
2.43 min      C, CE and backspace
4.19 min      square, square root & fractions
6.17 min      percentage (%)

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