Question

3 questions
http://prntscr.com/29dkws

Answer 1

Regular octagon->8

Answer 2

45->\(\large\pi r^2\)

Answer 3

46->\(2\times(1+75\%)\)

Answer 4

can you explain question 46 who did you came up with it
i know diameter is 2 feet but from where do we get 1

Answer 5

1 is the original (1 represents the \(\Huge\mbox{whole}\)) xD