Question

I need an answer quickly as im in lesson now

Answer 1

Object a:

perimeter is all the sides added together!
9+9=18
4.1+4.1= 8.2
18+8.2=36.2

object A’s perimeter is 36.2 CM
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object b:
7.2+3+ 3.6= 13.8

object B’s perimeter is 13.8 CM

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hope this helped! xoxo