Keenly snakelike smells an kelsmeml salesmen smell. Skkensens.
Well what do u need help with can u explain?
1. C. Concave pentagon
2. A. 1620°
b/c (11 - 2) × 180 = 1620
3. B. 165°
b/c (24 - 2) × 180 ÷ 24 = 165
4. A. 160°
b/c (18 - 2) × 180 ÷ 18 = 160


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And we're done.
Thanks for watching buddy good luck.
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I would say B.
Hope this helped!
:)