Question

Measurement "Spraying for Weeds" Farmer Jones is spraying his boundaries and fence lines with Weed-killer. He has to spray along the outside fence line of the fields with a back-pack sprayer One litre of Weed-killer will cover 26 metres of fence line. The field measurements are shown below. Field B can be assumed to be a semicircle Field B 170 m 33 m Fleld A 65 36 m 42 m YOUR TASKS: A) If he walks at 1.2 km/hr how long will it take Farmer Jones to spray the outside fence line and the fence between the two paddocks. B) Give the dimensions of a possible tank for the backpack sprayer that will allow him to spray this whol fence line with one tank of Weed-killer You must attempt both tasks. AS 91030 NZAMT 2012

Answer 1

0 36 65 42 120 170 2 rodu, 10 267 o35 m 7(25) Tyてつ 33. 35 o 133 o 35 km a) O.133035 k Tint=

usead k tlen cou 26m One To 33.0 3 5 m cover n 23 035 26 2.19 Liheo