Question

Sharia says that acute angle triangle will have a right angle justify your answer

Answer 1

no it's wrong because the acute angle is under a(n) 90 degree angle

Answer 2

Not really, as every triangle has at least two acute angles.
If the triangle has a right angle, it became right angle triangle.
Even obtuse angle triangle will have two acute angles.
Acute angle triangle is the special case where all angles are acute angle.