Answer:
All of these are the same. I would say D as theya re the same.
Answer:
38.9 square inches.
Step-by-step explanation:
We are asked to find the difference in area covered by a single 3 inch windshield wiper operating with a central angle of 138 degrees compared to a pair of 5 inch wipers operating together each having a central angle of 114 degrees.
We will use area of sector formula to solve our given problem as:
, where, r represents radius and theta represents central angle.
Let us find area of sector with central angle 140 degree and radius 3 inch.



Now, we will find area of sector with central angle 114 degree and radius 5 inch and multiply by 2 as:




Let us find difference of area as shown below:



Therefore, the difference in area covered is approximately 38.9 square inches.
When we move the triangle RPQ horizontally or vertically or side ways, the triangle will not coincide with the triangle KLM.
Similarly, if we move the triangle KLM horizontally or vertically or side ways, the triangle will not coincide with the triangle RPQ.
Hence, both the triangles are not vector translations of each other.
It would be 0.6. The total