Check by using the convers of the Pythagorean Theorem: If c² = a² + b², then the triangle is a right triangle.
'c' must be the longest side; the other two sides are interchangeable; so, c = 29.
Does 29² = 18² + 23² ?
If so, it is a right triangle, if not, it isn't.
Can you take it from here?
Check by using the convers of the Pythagorean Theorem: If c² = a² + b², then the triangle is a right triangle.
'c' must be the longest side; the other two sides are interchangeable; so, c = 29.
Does 29² = 18² + 23² ?
If so, it is a right triangle, if not, it isn't.
Can you take it from here?