Answer:
Right, obtuse, and isosceles. (B, D, E)
Answer:
x=-2 y=7
Step-by-step explanation:
Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

Answer:14
Step-by-step explanation:
Answer:
1331 feet3
Step-by-step explanation: