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Triangles Questions - All Grades

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Grade 8 Triangles
Grade 5 Triangles CCSS: 5.G.B.4
A(n)                      has exactly two sides of equal length.
  1. scalene triangle
  2. equilateral triangle
  3. isosceles triangle
Grade 5 Triangles CCSS: 5.G.B.4
A(n)                      has all sides of equal length.
  1. equilateral triangle
  2. isosceles triangle
  3. scalene triangle
Grade 5 Triangles CCSS: 5.G.B.4
Grade 8 Triangles
Triangles that have equal side lengths and equal measurements are called                     .
  1. Similar Triangles
  2. Regular Polygons
  3. Tangent
  4. Equilateral Triangle
  5. Isosceles Triangle
Grade 8 Triangles CCSS: 8.G.A.5
The exterior angle of a triangle is equal to
  1. the value of its adjacent angle
  2. the sum of its opposite interior angles
  3. the product of its opposite interior angles
  4. the difference between its opposite interior angles
Grade 11 Triangles
Triangles that have the exact same shape but different area are called                     .
  1. Similar Triangles
  2. Regular Polygons
  3. Tangent
  4. Equilateral Triangle
  5. Isosceles Triangle
Grade 5 Triangles CCSS: 5.G.B.4
A(n)                 has one right angle.
  1. acute triangle
  2. right triangle
  3. obtuse triangle
Grade 7 Triangles
The triangle has one side that is 8 cm and another that is 16 cm. What is the range of possible measurements for the third side X?
  1. [math]24cm < Xcm < 8cm[/math]
  2. [math]24cm < Xcm <18cm [/math]
  3. [math]18cm < Xcm <24cm [/math]
  4. [math]8cm < Xcm <24cm [/math]
Grade 6 Triangles
Grade 10 Triangles
Which of the following two triangles may not be congruent?
  1. both having three same lengths
  2. two angles and a corresponding side are equal
  3. two angles and the included side of both triangles are equal
  4. if two sides and the angle attached to one length are equal
Grade 5 Triangles
According to side lengths, this is what kind of triangle?
Scalene Triangle v1
  1. scalene triangle
  2. isosceles triangle
  3. equilateral triangle
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