Answer:
The length of ab is 10 inch
Step-by-step explanation:
The line 'ab' is shown in figure -1
Given :
bf=3 in and fa=7 in
we need to find out the length of 'ab'
so,
ba =bf+fa
Since, bf=3 in and fa=7 in
ba =3 in+7 in
ba =10 in
Therefore, the length of 'ba' is 10 inch
