Answer:
108
Step-by-step explanation:
triangles of the sides 3×4=12
5×8=40
4×8=32
3×8=24
add everything
Because you added 14 cards to your collection, we'll have to subtract that:
40 - 14 = 26
Knowing that 26 cards is half of your old card deck, we know that your old card deck is:
26*2 = 52
You have option b. 52 cards before.
Answer:
Answer is 80.36
Step-by-step explanation:
V=πr2h=π·2.12·5.8≈80.35566
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Pentagons are and example.
