Not really understanding what you are asking
Answer:
???
Step-by-step explanation:
Let the number = 10x+y
x+y = 9
y-x = 1
(x+y)+(y-x) = 9+1
2y = 10
y = 10/2
<h3><u>y = 5</u></h3>
x+y = 9
9-y = x
x = 9 - 5
<h3><u>x = 4</u></h3>
<h2>So, your number is <u>45</u></h2>
... Hope this will help...
Answer: 7740
Step-by-step explanation: take 180(n-45) and n represents the sides
