Answer:
a. acute
Step-by-step explanation:
Acute is anything smaller than 90 degrees, which this triangle is.
Equiangular would mean that all the angles have to be the same which this triangle is not.
Obtuse triangle means one of the angles is more than 90 but less than 180, which this triangle is also not.
Right triangle means that one of the angles have to be 90 degrees, or u can say a right angle, none of the angles in this triangle is 90 degrees so no.
