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a.
P=1/2 a*h
a= 3+1=4
h=2
P=4*2/2
P=4 [j2]
b.
P=1/2 a*h
a=3
h=2
P=3*2/2
p=3 [j2]
c.
P= 1/2 a*h
a=4
h=3
P= 4*3/2
p=6 [j2]
Zad 1.
a.P=a*h
a=6
h=4
P=6*4
P=24 [j2]
b.
P=a*h
a=5
h=3
P=15[j2]
c.
P=a*h
a= 4
h=4
P=16 [j2]
a) Pole trojkata = 1/2 * a * h
P1 = 1/2 * 3 * 2
P1 = 3/2 * 2
P1 = 3
P2 = 1/2 * 1 * 2
P2 = 1
Pc = P1 + P2
Pc = 3 + 1
Pc = 4
b) Pole całego trójkąta = 1/2 * a * h
P = 1/2 * (3 + 1) * 2
P = 1/2 * 4 * 2
P = 2 * 2
P = 4
Pole białego trójkąta = 1/2 * 1 * 2 = 1
Pole zacieniowanej figury = 4 -1 = 3
c) P = 1/2 * a * h
P = 1/2 * 4 * 3
P = 2 * 3
P = 6
Ad.1
a)
Pole równologłoboku = a * h
P = 6 * 4
P = 24
b) P = (3 +2) * 3
P = 5 * 3
P = 15
c) P = 4 * 4
P = 16
a)P=1/2a*h
P=1/2*4*2
P=4
b)Pc=1/2*4*2=4
Pzacieniowane=4-(1/2*1*2)=4-1=3
c)P=1/2*4*3=6
załącznik 2
P=a*h
a)P=6*4=24
b)P=5*3=15
c)P=4*4=16