Ответ:
d)
x+y=18
α=36
β=144
e)
P=46
α=60
β=60
Объяснение:
36=2(x+y)
18=x+y
4α+α=180
5α=180
4α=β=4*36=144
4α=β=144
P=2(x+y)
P=2*23=46
2α+α=180
3α=180
α=β=60
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Ответ:
d)
x+y=18
α=36
β=144
e)
P=46
α=60
β=60
Объяснение:
d)
36=2(x+y)
18=x+y
4α+α=180
5α=180
α=36
4α=β=4*36=144
4α=β=144
e)
P=2(x+y)
P=2*23=46
2α+α=180
3α=180
α=60
α=β=60