The ratio of blue circles to total circles is 4 to 5 there are more than 10 circles describe what this group of circles might look like explain

There might be 8 blue circle to 10 total circles. Reason: 4:5 is equal to 8:10, which is 10 circles. ( If it has to be MORE, use 16:20 )

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's