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24-03-2021
Mathematics

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24-03-2021

Answer:

46.3

Step-by-step explanation:

1. find perimeter of rectangle

2. then find perimeter of semicircle

3. add both answer and round to nearest tenth

1. 4*2 + 14*2 = 36

2. πr + 2r

π*2 + 2*2 = 10.2831853072

3. 36 + 10.2831853072 = 46.2831853072

46.2831853072 rounded to the nearest tenth is 46.3

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