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anonymous
 one year ago
In ∆ABC, if a = 8.75 centimeters, c = 4.26 centimeters, and m B = 87°, what is the length of b to two decimal places?
anonymous
 one year ago
In ∆ABC, if a = 8.75 centimeters, c = 4.26 centimeters, and m B = 87°, what is the length of b to two decimal places?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A)8.92 CM B)9.41CM C)9.53CM D)13.01 E)15.36

Itsyacoolgrl
 one year ago
Best ResponseYou've already chosen the best response.2you will need the law of cosines to solve it b2=a2+c2−2a×c×cos(B) just substitute your values

Itsyacoolgrl
 one year ago
Best ResponseYou've already chosen the best response.2Solution: cosB= (a^2+c^2b^2)/2ac b = sqrt(a^2+c^22ac*cosB) = sqrt(8.75^2+4.26^22*8.75*4.26*cos87) =9.53 So b=9.53cm

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0my teacher hasn't taught us that yet and shes giving us stuff to do can you walk me through

Itsyacoolgrl
 one year ago
Best ResponseYou've already chosen the best response.2Really? how does she expect you to solve it if you don't know "sohcahtoa" What grade are you in?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I don't know , ima a sophomore

Itsyacoolgrl
 one year ago
Best ResponseYou've already chosen the best response.2Hmmm, sorry i'm a freshman. Is this for geometry?

Itsyacoolgrl
 one year ago
Best ResponseYou've already chosen the best response.2That's weird :/ I learned sohcahtoa in my freshman year, (I'm going to be a sophomore in the upcoming year). I don't know how to help you but goodluck!
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