xOmqitsMichael xOmqitsMichael

10-03-2018
Mathematics

contestada

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

Respuesta :

DavieonH09 DavieonH09

13-02-2020

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

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