Question

помогите дам 60балов

Answer 1

a = 4/15 м
P = ???
S = 16/75 м²
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S = a*b
b = S/a = 16/75 / (4/15) = 4/5 м
P = 2*(a+b) = 2*(4/15+4/5) = 2*(4/15+12/15) = 2*16/15 = 32/15 = 2 2/15 м