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

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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°