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