The height of a door on a scale model is 0.4 in. The scale of the model is 1 in. = 20 ft.

Question

What is the actual height of the door?
Responses
A 6.2 ft
B 6 ft
C 6.4 ft
D 8 ft

Answer 1

The actual height of the door can be found by using the scale ratio:

1 in. = 20 ft.

So, if the height of the door on the scale model is 0.4 in., then the actual height can be calculated as:

0.4 in. * 20 ft. / 1 in. = 8 ft.

Therefore, the correct answer is option D, 8 ft.