1198.08
1248 / .04 = 49.92
1248 - 49.92 = 1198.08
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:
.
72° is the measure of both angles because 144/2= 72°