Omtrek vlakke figuren

Question 1

omtrek vierkant

Answer 1

O = 4 . z
of
O = z + z + z + z

Question 2

omtrek driehoek

Answer 2

O = z + z + z

Question 3

omtrek rechthoek

Answer 3

O = z + z + z + z
   of
O = 2 . l + 2 . b
   of
O = 2 . ( l + b)

Question 4

omtrek parallellogram

Answer 4

O = b + sz + b + sz
   of
O = 2 . b + 2 . sz
   of
O = 2 . (b + sz)

Question 5

omtrek gelijkzijdige driehoek

Answer 5

O = z + z + z
of
O = 3 . z

Question 6

omtrek ruit

Answer 6

O = z + z + z + z
of
O = 4 . z

Question 7

omtrek trapezium

Answer 7

O = z + z + z + z

Question 8

omtrek cirkel

Answer 8

O = 2 . r . pi