Odpowiedź:
a - 4cm
b - 3a = 3*4cm = 12cm
c - b/2 = 6cm
Ppc = 2* (a+b) + 2*(a*c) + 2*(b+c) = 2* (4cm*12cm) + 2*(4cm*6cm) + 2*(12cm*6cm) = 2*48cm² + 2*24cm² + 2*72cm² = 96cm² + 48cm² + 144cm² = 288cm²
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Verified answer
Odpowiedź:
a - 4cm
b - 3a = 3*4cm = 12cm
c - b/2 = 6cm
Ppc = 2* (a+b) + 2*(a*c) + 2*(b+c) = 2* (4cm*12cm) + 2*(4cm*6cm) + 2*(12cm*6cm) = 2*48cm² + 2*24cm² + 2*72cm² = 96cm² + 48cm² + 144cm² = 288cm²