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# How do find the actual area from a scale drawing?

Updated: 9/25/2023

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Q: How do find the actual area from a scale drawing?
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### How do you find scale factor?

# is the ratio of the demensions in the drawing to the corresponding actual dimensions. The scale factor for a scale drawing is the ratio of the dimensions in the drawing to the corresponding acual bimensions.

### Where would you find the drawing scale on a blueprint?

on the bill of materials

1:786

1km=5cm

### On a scale drawing the scale is 12 inch 2 feet Find the dimensions of the room in the drawing 14 ft by 18 ft PLEASE HELP ASAP?

28 ft. by 36 ft. Assuming the scale is 12 inches (drawing) = 2 ft (room). For every one foot in the drawing, you get two feet of room. Room then is 28 ft. by 36 ft. in a 14 X 18 drawing.

### Surface area of a hypercube?

As you would find the surface area of a normal shape using scale factors: to find the volume scale factor cubed, therefore to find the surface area of the hypercube, you do the scale factor to the power of four. geoffrz450@yahoo.co.uk

### How can you use scale factor to find a new perimeter and area?

New perimeter = old perimeter*scale factor New area = Old area*scale factor2

### What do you calculate to find the actual weight?

subtract the weight that the scale reads by 10

### How do you find the scale used to draw or build a model of an actual object?

measure something in the drawing/model and measure a similar thing in real life. now divide the smaller measurement into the bigger measurement, that's the scale. So if in a model a person on street is 2cm then in real life a person is about 2 meters or 200cm so the scale is 1:100.

### In a 1 20 scale drawing of various planets a planet that is 1 meter tall would be represented by a drawing that is how tall?

5 cm. But you will not find planets of that size anywhere!

### Why do maps show a scale?

So you can find out the actual distance from point A to point B.