The floor plan of a room has a scale of 2.5 in. : 35 ft. In the drawing, the length of the room is 8 in. and the width of the ro
om is 6 in. What is the perimeter of the actual room?
2 answers:
Answer:
392 ft
Step-by-step explanation:
Hello, Let me help you with this
to find the real length and width you can use a rule of three
Step 1
length=8 in
Let
if
2.5 in ⇔ 35 ft
8 in ⇔ X ft ?
the relation is
Step 2
width=6 in
Let
if
2.5 in ⇔ 35 ft
6 in ⇔ X ft ?
the relation is
Step 2
find the perimeter using
Perimeter = 2*length +2* width
replacing
Perimeter= 2*112 ft +2* 84 ft
Perimeter=224 ft +168 ft
Perimeter=392 ft
Have a nice day
Well if I did my math correctly I do believe the perimeter should be 392 ft.
6÷2.5= 2.4
2.4×35=84
8÷2.5= 3.2
3.2×35=112
84×2
112×2
_____
392
you mult. by 2 because it's a room which usually has four walls and I imagined it being a rectangle.
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