D. 3
the scale factor of △TOE to △CUP is 3
A scale factor is a number that's used as multiplier when scaling the size of the object. It can be used to scale objects in one, two, and three dimensions and as fractions, ratios, percentages, and decimals. When a scale factor is applied, the size of the object is increased or decreased according to the desired scale.
What does the scale factor stand for?
To scale measurement to the smaller measurement, to instance, when making the blueprint, simply divide the real measurement by a scale factor. The scale factors are commonly expressed as 1:n or 1/n, where n means the factor. For example, a scale factor is 1:8 or the real measurement is 32, divide 32 ÷ 8 = 4 to convert.
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