Answer:
Step-by-step explanation:
those angles are congruent because they are vertical angles
6x+4 = 58 ; subtract 4 from both sides
6x = 58-4 ; combine like terms
6x = 54; divide both sides by 6
x= 9
Answer:
d. 13 inches
Step-by-step explanation:
Right of the bat, we can choose 13 because the two triangle sides must be greater than one. 5+8=13, so the triangle would not be complete.
Answer:
2z+6
Step-by-step explanation:
z+z+6
Combine like terms
2z+6