Answer: x = 27
Step-by-step explanation:
2x+3x+45=180º because all of the angles of a triangle add up to 180
5x=180-45
5x=135
x=135/5
x=27
The numbers are 9,10,11 . the sum being 20 :) hope this helped have a great day
Answer:
X >= 1
Step-by-step explanation: