There is 100
43.98 cm
I think about 75 cm, if you look at the mid line in your red book.
12 inches
divide by 10
I'm not entirely sure but i think about 180cm or around that
The ratio is 3:2
1 cm X 12 cm or 12 cm X 1 cm = 12 square cm 2 cm X 6 cm or 6 cm X 2 cm = 12 square cm 3 cm X 4 cm or 4 cm X 3 cm = 12 square cm These are the only WHOLE numbers that are rectangles, and there are 6 of them.
Four measurements
706.5 cm
The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.
12
The circumference of a 12 cm circle is: 37.7 cm