wisk formules omtrek en oppervlak Flashcards
1
Q
driehoek p
A
p= z1 + z2 + z3
2
Q
vierkant p
A
p= 4 x z
3
Q
rechthoek p
A
p= 2 x (l+b)
4
Q
parallellogram p
A
p= 2 x (b+s)
5
Q
ruit p
A
p= 4 x z
6
Q
trapezium p
A
p= z1 + z2 + z3 + z4
7
Q
cirkel p
A
p= 2 x pi x r
8
Q
driehoek A
A
b x h
A= ———-
2
9
Q
vierkant A
A
A= z²
10
Q
rechthoek A
A
A= l x b
11
Q
parallellogram A
A
A= b x h
12
Q
ruit A
A
D x d
A= ———-
2
13
Q
trapezium A
A
(B + b) x h
A= —————-
2
14
Q
cirkel A
A
A= pi x r²
