 |
 |
|
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?
|
|
Hi Charles, Here is a cross sectional view of the tunnel dome
The triangle QCP is a right triangle so you can use Pythagoras Theorem to find the length of CQ. Does this help? |
 |
 |
 |