Question

A triangle can be formed with side lengths 4 in, 5 in, and 8 in.
a. True
b. False

Answer 1

Triangle Inequality:
The sum of the length of any two sides of a triangle must be greater than the length of the third side.

4 + 5 = 9 > 8 Check
4 + 8 = 12 > 5 Check
5 + 8 = 13 > 4 Check

All three combinations prove true, therefore the correct answer is A) True.