The given in the triangle are A=120^o, a=25 and b=25.
To solve using Sine Law, let's use the formula:
`(sinA)/a=sinB/b`
Plug-in the values of the sides a and b. Also, plug-in the value of angle A.
`sin(120^o)/25=(sinB)/25`
Then, simplify the equation. To simplify, cancel the denominators.
`sin(120^o)/25*25=(sinB)/25*25`
`sin (120^o)=sinB`
`120^o=B`
Now two angles of the triangle are known, which are `A=120^o` and `B=120^o` .
Take note that the sum of three angles of the triangle...
The given in the triangle are A=120^o, a=25 and b=25.
To solve using Sine Law, let's use the formula:
`(sinA)/a=sinB/b`
Plug-in the values of the sides a and b. Also, plug-in the value of angle A.
`sin(120^o)/25=(sinB)/25`
Then, simplify the equation. To simplify, cancel the denominators.
`sin(120^o)/25*25=(sinB)/25*25`
`sin (120^o)=sinB`
`120^o=B`
Now two angles of the triangle are known, which are `A=120^o` and `B=120^o` .
Take note that the sum of three angles of the triangle is `180^o` .
`A+B+C= 180^o`
However, the sum of these two angles A and B is:
`A+B=120^o +120^o=240^o`
which is larger than `180^o` .
Therefore, it is not possible to form a triangle with the given measures `A=120^o` , `a=25` and `b=25` .
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