Question

Determine if a triangle can be formed with the given lengths. If so, classify the triangle by its angle.

Answer 1

As given by the question

There are given that the length of sides, 7, 20 and 12.

Now,

For triangle properties, the sum of two sides of a triangle ust be grater than the third side . If this is true for all three combinations, then you will have a valid triangle

So,

According to the given theo