Answer:
A is A=2(1+2)a2
B is A≈208.18cm²
Step-by-step explanation:
A explanation is A=2(1+2)a2=2·(1+2)·102≈482.84271
B explanation is A=145(5+25)a2=14·5·(5+2·5)·112≈208.17777cm²
i think this is the answer for n=-2/a+4
Hi! the answer would be 28 :)
Answer:
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Step-by-step explanation:
6+3= 9
9+5= 14
14+6= 20
9+14+20=43 so there's you answer