D because it does not have shaded, it’s not shaded so it does not include 2, and 3 and up people need to join the club still for it to be official
7x-99=2x+1
5x=100
x=20
mark me brainliest if the answer is correct, thank you in advance :)
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