^^ This totally stumped on.Quote:

Find the total grazing area of a goat. The animal is tied to the notheast corner of a 40' by 40' barn, by an 80' rope. The south side of the barn is extended by a fence. Assume that there is grass everywhere except inside the barn.

No idea how to find this!!Quote:

A 16.0-inch chord is drawn in a circle whose radius is 10.0 inches. What is the angular size of the minor arc of this chord? what is the length of the arc, to the nearest tenth of an inch

PLEASE HELP!! This is urgent!