Question
A farmer has a triangular field with sides that measure 120 yards, 170 yards, and 220 yards. Find the area of the field
Answers
Steve
call the vertices A,B,C
Use law of cosines to find A.
area = 1/2 * AB * AC*sinA
Use law of cosines to find A.
area = 1/2 * AB * AC*sinA