Периметр 2(a+b)=32
a+b = 16
a = 16 - b
d²= a²+b² = (16-b)²+b² = 178
16²-32b+b²+b²=178
2b²-32b +256 - 178 = 0
b²-16b+39=0
b1=13
b2=3
a1=16-13=3
a2=13
S = a*b = 13*3 = 39
Периметр 2(a+b)=32
a+b = 16
a = 16 - b
d²= a²+b² = (16-b)²+b² = 178
16²-32b+b²+b²=178
2b²-32b +256 - 178 = 0
b²-16b+39=0
b1=13
b2=3
a1=16-13=3
a2=13
S = a*b = 13*3 = 39