6. MEASUREMENT Farmer Brown makes troughs to feed his farm animals, using wood that is 5 cm thick. As shown in the diagram below, the troughs are rectangular-based, open at the top and have external dimensions of 300 cm by 190 cm by 160 cm. 5cm (a) -300 cm 190 cm 160 cm Show, by calculation, that the internal capacity (volume) of the trough is 8091 000 cm. Calculate the volume of wood needed to make a trough. Farmer Brown must paint the INTERNAL surface of the trough. Given that I gallon of paint covers approximately 280 000 cm³ of surface, determine the TOTAL amount of paint, in litres, that is needed to paint the internal surface of the trough. (1 gallon = 3.79 litres)
6. MEASUREMENT Farmer Brown makes troughs to feed his farm animals, using wood that is 5 cm thick. As shown in the diagram below, the troughs are rectangular-based, open at the top and have external dimensions of 300 cm by 190 cm by 160 cm. 5cm (a) -300 cm 190 cm 160 cm Show, by calculation, that the internal capacity (volume) of the trough is 8091 000 cm. Calculate the volume of wood needed to make a trough. Farmer Brown must paint the INTERNAL surface of the trough. Given that I gallon of paint covers approximately 280 000 cm³ of surface, determine the TOTAL amount of paint, in litres, that is needed to paint the internal surface of the trough. (1 gallon = 3.79 litres)
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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