No these lengths does not form a right triangle
There is a property of triangles which says that some of two sides of the triangle should be more than the third side of the triangle
So first case 6,30,5
30+6 =36 which is more than 5
second case 5,30,6
5+30 =35 which is more than 6
third case 5,6,30
5+6 =11 which is not more than 30
as in third case the property is breached because sum of two sides of triangle is not more than third side so the figure cannot be a triangle .
And hence we cannot check whether it is a right angle triangle or not.
to know more about triangles - https://brainly.com/question/2773823
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