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number 7 is as follows Answer: C18.9
Step-by-step explanation:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. so (5.65x2)+(3.8x2)=18.9 cm
This is your answer
<span>-12 - 5 (first one)
hope that helps
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Answer: 1, 4
Step-by-step explanation:
- Number #1 = x
- Number #2 =


- Number #1 = x = 4
- Number #2 =
= 