Help multiplication problem i think? (pic below)

Question

anonymous · Answer

attachment

anonymous · Answer

Do you multiply to get the answer? im confused with this but i think its easy.

anonymous · Answer

|dw:1372196934910:dw|

anonymous · Answer

you know this |dw:1372196969684:dw|

you want to know this |dw:1372196991584:dw|

anonymous · Answer

i divide?

anonymous · Answer

its not as easy as multiplying or dividing unless it was lined up like this 

|dw:1372197086106:dw|

anonymous · Answer

Hmm.. so how do i solve this then??

anonymous · Answer

determine the "?" length

anonymous · Answer

how do i do that?

anonymous · Answer

does pythagorean theorem sound familiar?

anonymous · Answer

a+b=c

anonymous · Answer

$$a^2+b^2 = c^2$$

not a + b =c

rmrjr22 · Answer

a^2 +b^2 = C^2

anonymous · Answer

i have less then four minutes to solve this. Can anyone else help me out, cuz im not getting it?

anonymous · Answer

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anonymous · Answer

we can determine c = 4 and b = 2 through basic geometry

so determine a

anonymous · Answer

i dont get how a triangle is going to help when i have a shape that is not a triangle at all..

anonymous · Answer

multiply a by 2
which gives you the "? " length

anonymous · Answer

8 x 2= 16

anonymous · Answer

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anonymous · Answer

so my answer would be 2?

anonymous · Answer

no...

anonymous · Answer

using pythagorean theorem, determine a, if b= 2 and c =4

anonymous · Answer

can i pls just get the answer. im out of time.

rmrjr22 · Answer

18

anonymous · Answer

how did you get that answer @rmrjr22 ?

rmrjr22 · Answer

i actually ended up with 12(3)^(1/2)

rmrjr22 · Answer

we have the Radius which is 8 inches long... Cut that in half and that equals the length of each side its a regualr hexagon

rmrjr22 · Answer

so if you use the pythagorean... we have the length of one side, and the hypotnuse

rmrjr22 · Answer

fill in the formula and wala