Answer:
105
Step-by-step explanation:
180 - 140 = 40
180 - 145 = 35
35+ 40 = 75
180 - 75 = 105
a = 5
The angle between the ropes is 58 degree , Option C is the right answer.
<h3>What is a Vector ?</h3>
Vector is an object that has both magnitude and direction.
It is given in the question that

The angle between the ropes can be calculated as


= 11662
= 15207

= 93000000
93000000 = 11662 * 15207 cos 
cos
=0.524
= 58.37 degree
The angle between the ropes is 58 degree , Option C is the right answer.
To know more about Vector
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Answer: (a) 252000gallons
(b) 129.6148
(c) 0.15gallon
(d) 7.71*10^-6
Step-by-step explanation: see attachment