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How do scale factor and ratio of perimeters compare?
The sacle factor between two shapes is the same as the ratio of their perimeters.
What happens to surface area when dimensions are changed by a scale factor?
The area changes by the square of the same factor.
What does the scale factor between two similar figures tell you about the given measurement perimeters?
Perimeter will scale by the same factor. Area of the new figure, however is the original figures area multiplied by the scale factor squared. .
If a polygon is dilated by a scale factor of 3 then the ratio of the perimeter of the original polygon to the image polygon is 1 to 3.?
When a polygon is dilated by a scale factor of 3, all its sides are multiplied by 3. This means the perimeter of the image polygon is 3 times the perimeter of the original polygon. Therefore, the ratio of the perimeters is 1:3, as stated. This ratio holds true for any polygon being dilated by the same scale factor.
What is the scale factor for 12 cm equals 18 m?
It is the same as 2 cm = 3 m or 1 cm = 1.5 m The scale ratio would therefore be 150:1
In a model this the ratio of the linear dimension of the model to the same dimension of the original.?
It is the scale factor.
How do scale factor and ratio of perimeters compare?
The sacle factor between two shapes is the same as the ratio of their perimeters.
What happens to surface area when dimensions are changed by a scale factor?
The area changes by the square of the same factor.
What does the scale factor between two similar figures tell you about the given measurement perimeters?
Perimeter will scale by the same factor. Area of the new figure, however is the original figures area multiplied by the scale factor squared. .
Can two squares have the same ratio for their scale factor and the ratio of their areas?
Let a represent the scale factor of the two squares. Then it follows that the ratio of the areas is a^2. If these are equal, you get the equation a = a^2, and this is only true for a=0 or a=1. However, the only applicable value for a here is 1. In short, yes, they can, but only if both the scale factor and the ratio of the areas are equal to 1 (i.e. the squares are congruent)
What is the difference between scale and scale factor?
The scale gives the ratio that compares the measurements of the drawing or model to the measurements of the real object. Scale factor is a scale written as a ratio without units in simplest from.
If a polygon is dilated by a scale factor of 3 then the ratio of the perimeter of the original polygon to the image polygon is 1 to 3.?
When a polygon is dilated by a scale factor of 3, all its sides are multiplied by 3. This means the perimeter of the image polygon is 3 times the perimeter of the original polygon. Therefore, the ratio of the perimeters is 1:3, as stated. This ratio holds true for any polygon being dilated by the same scale factor.
What does it mean to scale up a ratio?
Scaling up a ratio means increasing both parts of the ratio by the same factor to maintain the proportional relationship. For example, if the ratio is 2:3 and you scale it up by 2, the new ratio would be 4:6.
What is the scale factor for 12 cm equals 18 m?
It is the same as 2 cm = 3 m or 1 cm = 1.5 m The scale ratio would therefore be 150:1
What means to divide the numerator and the denominator of the ratio by the same factor?
To divide the numerator and the denominator of a ratio by the same factor means to simplify or reduce the ratio. This is done by dividing both numbers in the ratio by their greatest common factor, which results in an equivalent ratio.
How is the perimeter and the size change factor related?
If you change the scale factor of a geometric figure by a factor "x", that is, keeping the new figure similar to the old one, the perimeter (which is also a linear measurement) will change by the SAME factor "x".Note that any area will change by a factor of x squared.
What does the scale factor between two similar figures tell you about the perimeter?
The perimeter will scale by the same factor.
