Presentation on theme: "If the short leg of a 30- 60-90 triangle is 8.5 feet, find the perimeter of the triangle."— Presentation transcript:
If the short leg of a triangle is 8.5 feet, find the perimeter of the triangle.
a = in., so 2a = in. Extension Problem The altitude of an equilateral triangle is 8 inches. Find the perimeter of the triangle. 2a a 8 60° 30° a√3 Perimeter = inches
A A person is standing at point A cheering on his favorite team. Round to nearest tenth. a)Find the height CD of the bleachers. b)Find the height of the fan at Point A from the ground. c)Find the distance AB that the fan is from the field at B. B D C 90 feet. 30° 52.0 feet 39.0 feet 77.9 feet