Geometry Problem

Click the figure below to see the complete problem 507 about Triangle, Interior Point, 120 Degrees, Congruence, Angle.

See also:

Complete Problem 507

Level: High School, SAT Prep, College geometry

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## Friday, August 20, 2010

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Problem 507: Triangle, Interior Point, 120 Degrees, Congruence, Angle

See also:

Complete Problem 507

Level: High School, SAT Prep, College geometry

## Link List

Online Geometry theorems, problems, solutions, and related topics.

Geometry Problem

Click the figure below to see the complete problem 507 about Triangle, Interior Point, 120 Degrees, Congruence, Angle.

See also:

Complete Problem 507

Level: High School, SAT Prep, College geometry

Labels:
120,
angle,
congruence,
degree,
interior point,
triangle

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x=30

ReplyDeleteDraw CG = AC, G on extension of AD

ReplyDelete=> ▲DGC isoceles, => ▲BGD equilateral

=> B, D, C are on circle with center G

=> x = 1/2 arc BD, BGD = arc BD, => x = 1/2 BGD

=> x = 30°

https://drive.google.com/open?id=0B0FyG7Jog271aFhrcXFfQ2RSVVE

ReplyDeleteTrazos auxiliares :D