Question

The first figure is dilated to form the second figure.

A diamond with a side length of 8. An arrow points to a larger diamond with a side length of 10
Which statement is true?
a)The scale factor is 0.8.
b)The scale factor is 1.25.
c)The scale factor is 2.0.
d)The scale factor is 18.0.

Answer 1

b. 1.25

Explanation:

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Answer 2

(b) 1.25.

Explanation:

The scale factor = length of a side of the dilated diamond / length of a side of the original diamond.

That is 10/8 = 1.25.