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a diagram of a wheelchair ramp made of concrete is shown below how much concrete was used to make it?​

A Diagram Of A Wheelchair Ramp Made Of Concrete Is Shown Below How Much Concrete Was Used To Make It class=

Sagot :

Answer:

Step-by-step explanation:

It uses 552 cubic feet of concrete
4*12*5 = 240
13*4/2*12 = 312
240+312 = 552