<C= 180⁰-135⁰-15⁰=30⁰
по т синусов
√2/ sin(135⁰)=x/sin (30⁰)
( sin(90⁰+45⁰)= sin 45⁰=½√2)
√2/(½√2)=х/½
2=2х
х=1
ответ: да.верно
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<C= 180⁰-135⁰-15⁰=30⁰
по т синусов
√2/ sin(135⁰)=x/sin (30⁰)
( sin(90⁰+45⁰)= sin 45⁰=½√2)
√2/(½√2)=х/½
2=2х
х=1
ответ: да.верно