I tried to help but couldn’t :)
Answer:

Step-by-step explanation:
The sum of the interior angles of a triangle add up to
. Therefore, an equiangular triangle will have each of its angles equal to
. We can then set up the following equation:
.
7.4 is your final answer, hope that help, one decimal place is the first number after the decimal.
Answer:
9x = 1-1 is q r x= 2x2 + 2 is 4
Your solution would be x<25