problem-4-august-2016-geometry-common-core-regents-exam-juantutorscom

# Interactive video lesson plan for: Problem 4, August 2016 Geometry (Common Core) Regents Exam - JuanTutors.com

#### Activity overview:

In the diagram below, m∠BDC 100°, m∠A 50°, and computations.
m∠DBC 30°. Which statement is true?

(1) ABD is obtuse. (3) m∠ABD 80°
(2) ABC is isosceles. (4) ABD is scalene.

Tagged under: Math,Regents,Geometry,Tutoring,JuanTutors,JuanTutors.,Juan,Juan Tutors,Obtuse Triangles,Isosceles Triangles,Scalene Triangles,Acute Angles,Obtuse Angles,Median,Circumcenter,Triangle Altitude,Triangle Area,A = bh/2

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