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BigorU [14]
3 years ago
9

A wall that is 12 feet high on the building is 36 centimeters high on the model. Find the height on the model of a door that is

9 feet high on the building.
I already solved this one. The answer is 27. Im having trouble with part B.
(B) Find the number of centimeters on the model for a window that is 3 feet wide.
Mathematics
2 answers:
cluponka [151]3 years ago
8 0

Answer:

9cm

Step-by-step explanation:

3/12 is equal to 1/4 ratio between the size of the window and the building.

Apply that ratio to the the 36 centimeters to get 36/4 which is equal to 9 centimeters.

andre [41]3 years ago
4 0

Answer: 9 centimeters

Step-by-step explanation:

Hi, to answer this question we have to apply the same ratio applied to find the height in centimeters of the door.

12ft/36cm = 9ft/x cm

12/36= 9/x

x = 9/ (12/36)

x =27cm

Using the value of the window's wide instead of the door's height.

12/36 = 3/x

x = 3 / (12/36)

x = 9cm

Feel free to ask for more if needed or if you did not understand something.

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