Odpowiedź :
Odpowiedź:
P = (a + b)*h/2
P = (9 + 3)*4/2 = 12*4/2 = 48/2 = 24 cm²
(a + b) * h
--------------
2
a= 7+2= 9cm
b= 3 cm
h= 4 cm
(9+3) * 4
------------ = 24 cm2
2
Odpowiedź:
P = (a + b)*h/2
P = (9 + 3)*4/2 = 12*4/2 = 48/2 = 24 cm²
(a + b) * h
--------------
2
a= 7+2= 9cm
b= 3 cm
h= 4 cm
(9+3) * 4
------------ = 24 cm2
2