Answer:
Step-by-step explanation:
Let the two numbers be x and y
So we have:
using the elimination method, add the two equations together:
solve for x:
substitute our value for x back into the first equation we made:
therefore,
Obtuse triangle ABC is isosceles and m∠B is 142°.
1 answer:
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What we know:
(Also, )
What we need to solve:
(This is equal to
)
How you have to subtract with
to get:
Thus, the answer would be: