英語(yǔ)翻譯
Tiling patterns:
congruent figures can sometimes cover a surface without gaps or overlapping the pattern is called a tessellation
using patterns :
a supermarket manage wants to build a square pyramid with cans of apple juice.the bottom layer is to be 8 cans wide
how many cnas will the display use?
similar figures:
figures that have exactly the same shape (but may be different sizes ) are called similar figures
sscale drawings:
thus drawing of the first floor of a house uses the scale 1:100(one to one hundred) that is 1 cm on the drawing represents 100 cm (or 1 m )of the real floor look at the drawing to see how the scale is shown
不能用軟件的!用軟件的,別以為我看不出!