18 i looked it up hope its right
Answer:
115b−120Step-by-step explanation:
Answer:
angle 17 is 90°.
Step-by-step explanation:
every angle there is a right angle and a right angle is 90°.
Have a nice day! :-)
X + 5x - 13 = 140
6x - 13 = 140
6x = 153
x = 25.5
5(25.5) -13 = 114.5
CHECK: 25.5 + 114.5 = 140