Question

if a triangle is a right triangle, then the other two angles must be acute. true or false

Answer 1

That depends on which angle you picked first, because that determines
which angles "the other two" are.

If you picked the right angle (90°) first, before you asked the question,
then the other two are acute angles, and they're also complementary

Answer 2

Answer:

True the other guy didn't understand the question LOLL

Explanation: