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Tenth Grade (Grade 10) Triangles Questions

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Grade 10 Triangles CCSS: HSG-SRT.C.6

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What type of special triangle is triangle LMO?
  1. 3-4-5 triple
  2. 5-12-13 triple
  3. 30°-60°-90°
  4. 45°-45°-90°
Grade 10 Triangles CCSS: HSG-CO.C.10

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What is the missing statement in step 5?
  1. ∠EBC≅∠BCA
  2. ∠ABC≅∠BCA
  3. ∠EBA≅∠ACB
  4. ∠DBC≅∠CAB
Grade 10 Triangles CCSS: HSG-SRT.B.5

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What is the missing reason in step 13?
  1. Given
  2. Definition of supplementary angles
  3. The sum of two right angles is 180°
  4. The sum of any two angles of a rectangle is 180°
Grade 10 Triangles CCSS: HSG-CO.C.10

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What is the missing reason in step 1?
  1. Through any point and a line, there exists one perpendicular line
  2. Assume from diagram
  3. Given
  4. Two points define a line
Grade 10 Triangles CCSS: HSG-CO.C.10

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What is the missing statement in step 6?
  1. ¯BD≅¯BD
  2. ¯AC≅¯AC
  3. ¯BC≅¯BC
  4. ¯AB≅¯AB
Grade 10 Triangles
The Euler Line passes through which three points for all triangles?
  1. Orthocenter, incenter, and centroid
  2. Orthocenter, centroid, and circumcenter
  3. Centroid, incenter, and circumcenter
  4. Orthocenter, circumcenter, and incenter
Grade 10 Triangles

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Polygon:

Exterior Angle Measure:

Interior Angle Measure:

Sum of Interior Angles:
Equilateral Triangle v2
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