Triangle Inequalities
(2x+10)+(4x) > (6x-20)
(6x-20)+(2x+10) > (4x)
(4x)+(6x-20) > (2x+10)
Now what?
1. pic 10. what are the possible values of x?
A. 11.5 < x
B. -7 < x < 23
C. -3.5 < x < 23.5
D. -3.5 < x < 11.5
2. Pic 11. What are the possible values for x?
A. x > 3.75
B. x < 2.5
C. 0 < x < 2.5
D. 2.5 < x < 3.75
3. Pic 12. What are the possible values of x?
A. -12 < x < 12
B. 12 < x < 30
C. -12 > x > 30
D. x > 30
4. . Pic 16. Two boats start at the dock. The first sails 4 miles due west, then turns 46 degrees toward south and sails 1.8 miles. The second sails 4 miles due east, then turns 58 degrees toward north and sails 1.8 miles. Which boat is father from the dock?