The blade length is the radius of the circle formed by the area swept by the blades to the nearest square foot, what is the area
2 answers:
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Answer:
Step-by-step explanation:
- The cross section of a sphere is a circle with area
, where radius is given as 4
- The cross section of the cube is a square with area
, where a is side length of square
The circle area = the square area. Thus we have:
Answer:
Step-by-step explanation:
We are given that measurements of three points on the ground gave coordinates of (0,0,0),(1,2,0) and (0,2,1)
We have to find the angle by which the tower now deviate from the vertical
We find cross product of <1,2,0> and <0,2,1>
Now, we are finding the angle between and vertical vector <0,0,1>
Angle between two vectors formula
Now, using this formula
Hence, the tower deviate from the vertical by the angle