The sum of the angle measures in a triangle is always 180 degrees. So we can write the equation:
2z + 110 + 3z - 5 = 180
Combine like terms:
5z + 105 = 180
Subtract 105 from both sides:
5z = 75
Divide both sides by 5:
z = 15
Therefore, the value of z is 15. Answer: D) 15.
he angle measure of a triangle are shown in the diagram.
What is the value of z?
(2z)* 110* (3z - 5)*
A 20
B 25
C 40
D 15
1 answer