Odpowiedź:
Pole trójkąta
a=15cm
b=8cm
P=1/2•a•b=1/2•15•8=60cm2
Pole trapezu
a=5+3=8cm
b=3cm
h=4cm
P=(a+b)•h/2=(8+3)•4/2=11•2=22cm2
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Odpowiedź:
Pole trójkąta
a=15cm
b=8cm
P=1/2•a•b=1/2•15•8=60cm2
Pole trapezu
a=5+3=8cm
b=3cm
h=4cm
P=(a+b)•h/2=(8+3)•4/2=11•2=22cm2