What is the rule for enlargement?

If the scale factor is between 0 and 1 the image is a reduction. If the scale factor is greater than 1, the image is an enlargement.

How do you enlarge a scale factor?

To enlarge a shape, multiply all lengths of the shape by the scale factor. The scale factor tells us how many times larger the shape will be. For example, enlarging a shape by scale factor 2 means that all of the sides will become 2 times longer. This rectangle is 1 square wide and 2 squares long.

How do you describe an enlargement?

When describing enlargements you must state by how much the shape has been enlarged. For example, a scale factor of means that the side-lengths of the new shape are twice the side-lengths of the original. A scale factor of means that the side-lengths of the new shape are three times the side-lengths of the original.

How do you calculate a reduction scale factor?

Scale Factor Formulas The basic formula to find the scale factor of a figure is: Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape. This can also be used to calculate the dimensions of the new figure or the original figure by simply substituting the values in the same formula.

How do you find the reduction factor?

Reduction Factor of the Strength is found by dividing the value of elastic strength by the yield strength. It is represented using the R factor.

What is the synonym of enlargement?

Some common synonyms of enlarge are augment, increase, and multiply. While all these words mean “to make or become greater,” enlarge implies expansion or extension that makes greater in size or capacity.

What’s the difference between a reduction and an enlargement?

A reduction (think shrinking) is a dilation that creates a smaller image, and an enlargement (think stretch) is a dilation that creates a larger image. If the scale factor is between 0 and 1 the image is a reduction. If the scale factor is greater than 1, the image is an enlargement.

What is the scale factor of an enlargement?

The scale factor of enlargement is the number that all the original lengths are multiplied by to produce the image. If the scale factor, k, is greater than 1 , the image is an enlargement (a stretch). Scale Factor 2 If the scale factor is between 0 and 1, the image is a reduction (a shrink).

When do you need a centre of enlargement?

To enlarge a shape, a centre of enlargement is required. When a shape is enlarged from a centre of enlargement, the distances from the centre to each point are multiplied by the scale factor. The lengths in triangle A’B’C’ are three times as long as triangle ABC.

Do you have to reduce or enlarge a formula?

Pharmacists or technicians may have to reduce or enlarge formulas for pharmaceutical preparations in the course of their professional practice or manufacturing activities. Official ( USP/NF) formulas generally are based on the preparation of 1000 mL or 1000 g.