Answer:
32
Step-by-step explanation:
you can multiply
4 up 8 across so 4 x 8 = 32
Here's a diagram showing how to combine angles LDA (in red) and angle ADE (in blue). Hopefully it becomes a bit clearer why these two angles add up to line segment LE. Erase the shared segment DA if it helps show LE better.
See attached image below.
Therefore, the coordinates of the midpoint of AB are (x1+x22, y1+y22). ... That is the middle point of the line segment joining the points (x1, y1) and (y2, y2) has the coordinates (x1+x22, y1+y22). Solved examples on midpoint formula: 1.
I think is on the mile 3 just look at the example:
I am not sure if I am correct, but I hope I am :)
The area of revolution is the integral of 2π(radius)(differential of arc length).
= (2π/27)*(72^(3/2) -38.25^(3/2)) ≈ 87.1215