4) The sides of square A are 3cm each and sides of square B are 5cm each. The mean of their perimeters is ______*
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Answered by
1
Step-by-step explanation:
Mean - average
perimeter of square ⬛ A is 16cm
perimeter of square ⬛ B is 20cm
average = 36/2 =18
Answered by
0
Answer:
perimeter of A is 12 and perimeter of B is 20 by using perimeter of square = 4s
their mean = sum of observations / no of observations
= 12+20/2
=32/2
= 16
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