Odpowiedź:
1. C- 48
2.
a=2
b=3
c=5
P=2(ab+bc+ac)
p=2(2×3+3×5+2×5) = 2(6+15+10) =2×31=62
3.
d=a√2
a√2=√6/:√2
a=√6:√2
a=√12
-----
2
a=√3
pc=√3×√3×6=3×6=18
4.
Pc=Pp× h
Pp= 5cm × 20cm = 100cm
Pc= 100cm × 12cm = 1200cm²
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Odpowiedź:
1. C- 48
2.
a=2
b=3
c=5
P=2(ab+bc+ac)
p=2(2×3+3×5+2×5) = 2(6+15+10) =2×31=62
3.
d=a√2
a√2=√6/:√2
a=√6:√2
a=√12
-----
2
a=√3
pc=√3×√3×6=3×6=18
4.
Pc=Pp× h
Pp= 5cm × 20cm = 100cm
Pc= 100cm × 12cm = 1200cm²