Triangle KLM represents a section of a park set aside for picnic tables. The picnic area will take up approximately 400 square yards in the park.
Triangle K L M is shown. The length of K M is 45 yards and the length of L M is 20 yards. Angle L K M is 25 degrees.
Trigonometric area formula: Area = One-half a b sine (C)
To the nearest yard, what amount of fencing is needed to surround the perimeter of the picnic area?
