How many squares, of all sizes, are there on this 4 × 4 checkerboard?

[ANS] : 40

one 4×4 – 1^2 + 2^2 + 3^2 + 4^2 = 30

two 2×2 – 2(1^2 + 2^2 ) = 10

2 Responses to “How many squares, of all sizes, are there on this 4 × 4 checkerboard?”

  1. jtxmisc Says:

    Info sangat menarik, sukses ya mas.. , Adrianne

  2. jtxmisc Says:

    termakasih infonya, visit blog dofollow saya juga ya gan🙂 , Abeje

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s


%d bloggers like this: