08-09-2017
Mathematics

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How do I solve this?

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kphung76127 kphung76127

08-09-2017

Area of trapezoid:
(3+8)/2*4
11/2*4
5.5*4
22

Area of rectangle minus white area
6*8=48
48-(3*3)
48-9
39

Add the values to get the area of the shaded region
39+22= 61

You need 1 can of paint, so you pay $6.90

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