Similar Triangles

1
Similar Triangles

• By
• MA.7.5.1 Apply the concept of similarity to
  solve problems.

2
Definition

• Similar triangles are triangles that have the
  same shape but not necessarily the same size.

3
Example

Triangle A
Triangle B
22
14
11
7
8
16

These two triangles are similar because triangle
A is double the size of triangle B. (scale
factor of 2)
4
Question
These two triangles are similar solve for X.
5
Solution
Big triangle is 3 times longer. x 21 3, so x
7
6
Sources

• Math on call
• Mr. Imamura
• My Brain
• And Google for these links http//images.google.c
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  qfoq
• http//images.google.com/images?gbv2hlens
  a1qmathoncallbtnGSearchImagesaqfoq
• http//images.google.com/images?gbv2hlens
  a1qmr.imamurabtnGSearchImagesaqfoq