TROJUHOLNÍK
a = 3 cm
b = 4 cm
c = 5 cm
OBVOD
AREA
P = a + b + c
P = 3 cm + 4 cm + 5 cm
P = 12 cm
A = 1/2 (bh), h = a
A = 1/2 (3 cm x 4 cm)
A = 1/2 (12 cm2 )
A = 6 cm2
NÁMESTIE
OBVOD
AREA
S = 3 palce
P = 4 s
P = 4 (3 palce)
P = 12 palcov
A = s 2
A = (3 palce) 2
A = 9 v 2
RECTANGLE (obdĺžnik).
P = 2 1 + 2 h
A = s 2
OBVOD
AREA
LICHOČNÍK
P = b1 + b2 + S1 + S2
A = [1/2(h) X (b 1 + b 2 )
OBVOD
AREA
KLIKNUTÍM UPRAVÍTE NÁZOV