Answer:
42
Step-by-step explanation:
If the series is A B C D then the next one is E
Perimeter of square = 4s perimiter of pentagon= 5s, i guess? its a regular one afterall 4s = P 4 (10) = p 40 = P (40 = 5s)/ 5 8 = s
Sorry I dont know how to answer the second one...
The answer is 1.
( x = 50)