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rebeccaskell94
 3 years ago
In the figure below, the length of line segment CB is 58 units and the length of line segment BG is 120 units. What is the length of line segment GE?
http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0404_07/image0084e2ee688.gif
Does anyone know a formula I would use to solve this
rebeccaskell94
 3 years ago
In the figure below, the length of line segment CB is 58 units and the length of line segment BG is 120 units. What is the length of line segment GE? http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0404_07/image0084e2ee688.gif Does anyone know a formula I would use to solve this

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91
 3 years ago
Best ResponseYou've already chosen the best response.1to find BA , then subtract that from 120

mukushla
 3 years ago
Best ResponseYou've already chosen the best response.11......find AB using tan 45 in triangle ABC 2......find AG using AG=120AB 3......find GE using tan 60 in triangle AGE o.O

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.1@rebeccaskell94 did you understand?

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1Idunnow is mukushala and 91's ways good? how do you do sin/cos anyway D: urg I'm so confused. My brain is not a math brain :(

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.1I triangle CBA, what's tan 45? @rebeccaskell94

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1Doesn't tan(45) = 1?

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.1yeah, you;re right but it's also perpendicular/ adjacent, isn't it?

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1Idk what to do with it now D:

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0Remember how the legs of a 454590 triangle are the same length? Can you find AG knowing that?

phi
 3 years ago
Best ResponseYou've already chosen the best response.0Are you studying trig? these are 454590 triangle and 306090 triangle

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1ummm can we have like, 1 person helping me xD too many is making it worse. It takes a while to help me bc my brain...it doesn't get along well with math

phi
 3 years ago
Best ResponseYou've already chosen the best response.0http://www.khanacademy.org/math/geometry/triangles/v/454590triangles and http://www.khanacademy.org/math/geometry/triangles/v/introto306090triangles

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.1I'll let others help here :P I'll observe silently :)

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1But ashy!! D: I wanted you to help me xD

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1343150968050:dw If x = 58, can you figure the rest out?

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0I just used the ratio for a 454590 triangle and 306090 triangle.

ash2326
 3 years ago
Best ResponseYou've already chosen the best response.1@rebeccaskell94 @Calcmathlete is a great helper, I'm sure you'll understand .

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1Okay I has this XDdw:1343151162714:dw

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0Oh. You misread that part for AG....it said 120  x. When I said to figure out the rest, I meant did you understand how to get the answer now using the ratios, but it's good practice XD Good job by the way :)

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0If you didn't notice, all it asked for was GE which you have as 62√3 which you have :)

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1Oh wait, so are my ∆s right?

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0Yup :) Good work! That one part on the bottom of the 306090 triangle is wrong because you misread it, but as long as you understand the concept, it's fine :)

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1343151807943:dw

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0Yeah. I think you read it as 20  x when it's 120  x.

Calcmathlete
 3 years ago
Best ResponseYou've already chosen the best response.0Good job though. 454590 and 306090 triangles can be very simple once you remember the ratios! :D

rebeccaskell94
 3 years ago
Best ResponseYou've already chosen the best response.1lol why the quotation marks around my name D:
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