
Taking the square root of both sides gives two possible cases,

or

Recall that

If
and
, we have

so in the equations above, we can write

Then in the first case,


(where
is any integer)


and in the second,




Then the solutions that fall in the interval
are

Answer:
obtuse triangle
Step-by-step explanation:
only one angle in a triangle has to be over 90 degrees for it to be and obtuse triangle
hoped this helped
Answer:
B. HL
Step-by-step explanation:
Answer: 0.9
Step-by-step explanation: