Respuesta :
Answer:
old per: 1280
new per:2560
Step-by-step explanation:
first perimeter u get it by adding all the sides and since its a square then all the sides are equal so u can just do
320*4 which is equal to 1280
and by doubling the sides u can just double it in the old equation meaning
(320*2)*4
which is equal to 2560
Answer:
a) 320 times 4= 1280 ft
b) 320 times 2= 640 so 640 times 4= 2560ft
Step-by-step explanation:
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