If the CPI for 1989 was 124, the rate of the inflation between the base period and 1989 was 24%!
The answer is the third answer choice, I and II only.
This is because both of those motions are rigid since they are just reflections and III is not a rigid motion since it is a dilation, the second triangle is bigger than the first.
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If the length is the same as one leg, than all the other legs should be the same exact dimensions, legs can not be different measurements by height.
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