Answer to Question #281049 in Trigonometry for Aliyaj

Question

11. Points A and B are separated by an obstacle. In order to find the distance between them, a third point C is selected which is 120 yards from A and 150 yards from B. The angle ACB is measured to be 80° 10'. Find the distance from A to B.

12. Two circles, whose radii are 12 inches and 16 inches respec tively, intersect. The angle between the tangents at either of the points of intersection is 29° 30'. Find the distance be tween the centers of the circles.