If the 13 is the longest side of that right triangle, then the missing side is 5 .
If 'c' is the longest side of that right triangle, then the missing one is 17.692 (rounded).
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That it is a right triangle with the longest side c facing the right angle.
The hypotenuse is the longest side of a right triangle. It is also the "c" value in the equation a-squared+b-squared=c-squared.The hypotenuse is the largest side of a right angle triangle.
Right triangle (apex)
In right triangle ABC, angle C is a right angle, AB = 13and BC = 5 What is the length of AC? Draw the triangle to help visualize the problem.
Pythagoras' theorem:- a2+b2 = c2 where a and b are the sides of a right angle triangle and c is its hypotenuse