Question 11003 of 406 · Illinois Pesticide Applicator General Standards Exam
A circular area has a radius of 50 feet. What is its approximate area? (area = 3.14 x radius x radius)
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 11003
- D: 7,850 square feet
Explanation
Area = 3.14 x 50 x 50 = 3.14 x 2,500 = 7,850 square feet. 15,700 doubles the correct area, and 31,400 uses the diameter squared instead of the radius squared.
More questions: Calibration and Math
- 11004A triangular area has a base of 200 feet and a height of 100 feet. What is its area? (area = 1/2 x base x height)
- 11005A lawn is 80 feet by 120 feet. How many units of 1,000 square feet does it contain?
- 11006In the 1/128 acre calibration method, a nozzle collects 18 fluid ounces over the course. What is the sprayer output in gallons per acre?
- 11007What course length covers 1/128 acre (340 square feet) for a boom with 30-inch nozzle spacing?
- 11008A flat fan nozzle puts out 0.4 gallons per minute at 5 mph with 20-inch spacing. What is the application rate in gallons per acre? (GPA = GPM x 5,940 / (mph x spacing in inches))
- 11009A nozzle delivers 0.5 gallons per minute at 4 mph with 20-inch spacing. What is the rate in gallons per acre? (GPA = GPM x 5,940 / (mph x spacing in inches))