Answer:
Area for cross-section is 615.7521601cm
Step-by-step explanation:
area of a circle = πr²
π × radius²
In this question, the radius is 14, so you need to square it giving 196.
Then multiply by π = 615.7521601cm (round if necessary)
Answer:
15.81 is the correct answer
Answer:

Step-by-step explanation:
We want to write an integer expresion to represents the verbal expresion:
"the opposite of the absolute value of negative seven"
The absolute value of negative seven is written as:

When we simplify this, we get 7.
This integer is positive.
The opposite of positive seven is negative seven.
Therefore the required integer expresion for "the opposite of the absolute value of negative seven" is 
Answer:
B. 255 m
Step-by-step explanation:
<u>use similar triangle</u>
L / 60 = 85 / 20
L = (85 * 60) / 20
L = 255 m