Question

If you know that two sides of a triangle are 4, and 5, but you don't know what type of triangle it is, is it always a right triangle or not necessarily?

Answer 1

Answer:

no, it is not necessarily always a right-angled triangle

Step-by-step explanation:

the type of triangle will depend on the angle between the sides having lengths 4 units and 5 units

Answer 2

Question:

If you know that two sides of a triangle are 4 and 5, but you don't know what type of triangle it is, is it always a right triangle or not necessarily?

Answer:

Step-by-step explanation:

It need not necessarily be a right angled triangle. There are other possibilities:

An isosceles triangle can be 4, 4 and 5.

An isosceles triangle can be 4, 5 and 5.  

A scalene triangle can be 4, 5 and 6.

A right angled triangle can be 4, 5, and √41, or one with 3, 4 and 5.