SOLUTION: if the sides of a triangle have lengths of x, 2x+1, and 10, which of the following is a possible value for x?
A. 1
B. 3
C. 6
D. 9
E. 11
Algebra ->
Triangles
-> SOLUTION: if the sides of a triangle have lengths of x, 2x+1, and 10, which of the following is a possible value for x?
A. 1
B. 3
C. 6
D. 9
E. 11
Log On
Question 478269: if the sides of a triangle have lengths of x, 2x+1, and 10, which of the following is a possible value for x?
A. 1
B. 3
C. 6
D. 9
E. 11 Found 2 solutions by cleomenius, MathLover1:Answer by cleomenius(959) (Show Source):
You can put this solution on YOUR website! The Triangle Inequality Theorem states that the sum of the lengths of any 2 sides of a triangle must be greater than the third side.
This eliminates 1, 3, 9, and 11.
The only possible answer listed is 6.
Cleomenius.
You can put this solution on YOUR website!
Theorem: The sum of the lengths of any two sides of a triangle must be greater than the third side.
or ...........
