Atriangle has sides that measure 3 cm, 4 cm and 5 cm. what type of triangle is it?

Right Triangle.

Using the Pythagorean theorem:
3^2+4^2=5^2

9+16=25

Which proves that this triangle is a right triangle.

Beethoven was a deaf man and couldnt hear. he became famous for his classical pieces. and there ye go.vivaldi was a true one hit wonder classical artist. hes known for his classical piece the four seasons. he was although wasn't as great as beethoven and yea 'ere ye a go.