: Kenneth measured a hotel and made a scale drawing. The scale he used was 1 inch =4 feet. The actual length of a room in the ho
1 answer:
The room is 5 inches long in the drawing.
Step-by-step explanation:
Given,
Scale drawing used by Kenneth;
1 inch = 4 feet
Ratio of scale = 1:4
Actual length of room = 20 feet
Let,
x be the length in drawing
Ratio of actual length = x:20
Using proportion
Scale ratio :: Actual ratio
Product of mean = Product of extreme
Dividing both sides by 4
The room is 5 inches long in the drawing.
Keywords: ratio, proportion
Learn more about proportion at:
#LearnwithBrainly
You might be interested in
Answer:
Step-by-step explanation:
The area of the circumference of a circle is:
We know that r is 8, so we can plug that into the formula.
However, there's a problem. We only want 3pi/4 of the circumference, not the entire circle's circumference. Therefore, we have to divide by part/whole. In this case, the part is 3pi/4, and the whole is 2pi (the entire circle is 2pi radians).