Oblicz pole piniższych trapezów: (Mam nadzieje że widać ;))
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a)
P=(a+b)*h
2
a=8
b=12
h=4
(8+12)*4 = 20*4 = 20*2 = 40
2 2
P = 40 cm3
B)
P= (a+b)*h
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a)
P=(a+b)*h
2
a=8
b=12
h=4
(8+12)*4 = 20*4 = 20*2 = 40
2 2
P = 40 cm3
B)
P= (a+b)*h
2
A=9 B=14 H = 7 P= (9+14)*7 = 23*7 = 161 = 80,5 2 2 2 C)P=(a+b)*h
2
A=7 B=7+9=16 H=10 P= (16+7)*10 = 23*5 = 115 2