This topic is locked. If you want to discuss this question please re-post it in the respective forum.
does anyone have a clue on this one thanks
The figure above shows the shape of a tunnel entrance. If the curved portion is of a circle and the base of the entrance is 12 feet across, what is the perimeter, in feet, of the curved portion of the entrance'?
(c) 9π sq root of 2
(E)9π/sq root of 2
Figure is on the attachment