Suppose a bay window is a perfect semicircle with an area of 4.5 square feet. if the architect wants to use a scale of 0.5 inch = 1 ft on the floor plan, what is the radius of the bay window on the floor plan? a) 0.85 inches b) 1.7 inches c) 3 inches d) 3.4 inches

The answer is A) .85 inches

Step-by-step explanation:

A =  

1 /2 πr2 4.5 =  1 2 πr2  1.6926 = r

  thus, 0.50 in  

1 ft  =  x in 1.6926 ft x = 0.8463

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

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step-by-step explanation:

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~courtney