Answer:
<u>Work Done = 27.66 Joules</u>
Step-by-step explanation:
The work done is:

Where
F is the fore
d is the distance moved
is the angle
The force is "4"
The distance is the distance from (1,7) to (8,10)
The distance is the square root of change in y coordinates, squared and sum of change in x coordinates, squared. Hence, distance is:

The angle is gotten by the formula:

So, now:

Work Done = 
<u>Work Done = 27.66 Joules</u>
Answer: a) 26.2 cm
Step-by-step explanation:
Perimeter of rectangle = 2 (l + w)
2 (l + w) = 2 (9 + 4.1) = 2 (13.1) = 26.2 cm
Hope this helps!
I don’t know ????????????????
Step-by-step explanation:
3.52 =
3
+ 0.5
+ 0.02
hopes this helps you