B
Your y coordinates do not change, but your x coordinates are opposites
Idk wt you mean by tens fact...
Eef. (dont make me miss unus annus again)
Step-by-step explanation:
It is given that,
The length of section 1 is 0.75 m and the length of section 2 is 15/100 m. The total length of the section is equal to the sum of section 1 and section 2. So, we will add them as follows :

So, the length of the section is 0.9 m or 9/10 m