The formula of pi rs represents the formula to find the lateral surface area of a right cone.
110 because avg speed is total distance over total time
By Sine Rule,
x/sin30° = 8/sin90°
x/0.5 = 8/1
So x = 4.
The answer to the question is D
A. 95 feet
<span>B. 12, because that would get you 96 feet of board, and if you only got 11, then you would only have 88 feet of boards which is not enough.
Hope this helped!</span>
