Reynold123 Reynold123

25-05-2017
Mathematics

contestada

(a) Which solid figures can the stairs be broken into? What are the dimensions of each solid figure?
(b) How much concrete will be needed to form the stairs?

Respuesta :

Bridget97 Bridget97

25-05-2017

(a) a rectangular prism
each one has dimensions l = 2.4 ,w = 1.2 / 3 = 0.4 and h = 1.8 / 3 = 0.6 m

(b) total volume of concrete needed is 6 * 2.4 * 0.4 * 0.6 = 3.456 m^3

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