The two solids are similar and the ratio between the lengths of their edges is 2: 9. what is the ratio of their surface areas? a) the ratio of the perimeters is the same as the ratio of their edges.
b) the ratio of the areas is the square of the ratio of their edges
c) the ratio of the volumes is the cube of the ratio of their edges.

When tow solids of similar shape that is assuming to be a box in this case, having a length ratio of 2:9, we get the ratio of the surface areas equal to thesquare of the ratio of their edges. This is becaue the surface area is equal to the area of the base (square) which is the square of the side. Answer is B.

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.