







A semicircular roof gutter 
20120409 

Kyle pose la question : A semicircular roof guttering contains some water.
The crosssection of the guttering has a diameter of 10 centimetres. The surface of the water collected in the guttering is 8cm.
What is the depth of water in the gutter? Penny Nom lui répond. 





A semi circular room 
20090211 

Taylor pose la question : being 450pi (the area of a semi circle)
how much money would it cost to lay carpet at $2.57 per foot???
if the area of a semi circular room is 450 pi ft
then what is the volume being that the diameter is 60 feet
and the ceiling is 16 feet tall Robert Dawson and Penny Nom lui répond. 





The volume of fluid in a semi circular trough 
20081010 

Kerry pose la question : How do I find the volume of fluid in a semi circular trough? Penny Nom lui répond. 





How many feet tall is the tunnel 
20061014 

Charles pose la question : A tunnel in the Smoky Mountains is semicircular. At a distance of 12 feet from the center of the tunnel, the tunnel has a height of 16 feet. How many feet tall is the tunnel at its center? Penny Nom lui répond. 

