Ratio, question #16

I am doing question 16.

a.) Write the ratio of the length of A' B' compared to the length of the AB.
- the ratio of the length of A' B' is 1:2

b.) Write the ratio of the length of A' C' compared to the length of AC.
- The ratio of the length of A' C' is 1:2 or 1 to 2.

c.) Use your knowledge of ratio and percent to explain the meaning of a 50% reduction
- Each length is 1 of what it's originally was.
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2