Find the common difference of the arithmetic sequence -3, -9, -15
1 answer:
You might be interested in
Answer: The area is
Step-by-step explanation:
The cross section AFGD is a rectangle. Then, its area can be calculated with this formula:
Where:
"A" is the area of the rectangle.
"l" is the lenght of the rectangle.
"w" is the width of the rectangle.
Then, from the figure, you can identify that the dimensions of the rectangle AFGD are:
Therefore, you can substitute these values into the formula to find the area of the cross section AFGD. Then, you get: