This banana is 8 inches long. how many 0.4 inches slices of banana can be cut from this banana?

Given the following statements, which is the best

Describe the relationship between the angles of similar triangles and the sides of similar triangles

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.