use a sharpening tool
None that I can see!
100- edit. Is there anyway you can rephrase this?
64 squares. EDIT There are 64 1x1 squares on a standard checkerboard, but there are also squares of other sizes. There are; 64 1x1 squares 49 2x2 squares 36 3x3 squares 25 4x4 squares 16 5x5 squares 9 6x6 squares 4 7x7 squares 1 8x8 square So in total there are 204 squares on a standard checkerboard.
There are many tools that can be used to edit pictures depending on the program being used. Some of those include Photoshop, Microsoft Picture Editor and many others.
100
-- Look at the picture, count how many squares are shaded, write down the number. -- Look at the picture again, count how many squares there are all together, whether they're shaded or not shaded. Write down the number. -- Make a fraction. Put the first number on top, put the second number on the bottom. (-- Reduce the fraction to lowest terms, it necessary, and if you know how to do that.)
How many squares are in one single pack
how many squares fit in a hexagon
There are 48 such squares.
You can make three squares
20 squares x 20 squares = 400 squares
There are 9 squares I can see 12 squares in an array of 2 * 4 squares