RST is dilated about the origin, O, to creat R’S’T’. Point R is located at (3,9) and point R is located at (1.2, 3.6). Which scale factor was used to perform the dilation

The scale factor used is 0.4

Step-by-step explanation:

Given

Required

Determine the scale factor of RST

The question can be solved using scale factor formula

Scale factor is calculated as thus;

In this case; R' is the new length and R is the old length

Substitute the values of R and R'

Factorize the denominator

Hence, the scale factor used is 0.4

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step-by-step explanation:

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step-by-step explanation: