4. Using a scale where 3 inches = 5 feet. If a room measures 20 feet by 22.5 feet, what are the dimensions of the room in inches ? *
O 12 inches by 13 inches
O 12.5 inches by 13 inches
O 12 inches by 13.5 inches
O 12.5 inches by 13.5 inches

12 inches by 13.5 inches

Step-by-step explanation:

3 inches=  5 feet

  0.6 inch              = 1 feet

20 feet=12 inches

22.5 feet=13.5 inches

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step-by-step explanation:

d = distance between moon and sun, which in this problem is the hypotenuse of a right triangle.  

the distance y is the side opposite to angle x in the right triangle.   use the definition of the sine function from basic trigonometry.

sin(x) = y/d ⇒

d = y/sin(x)

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