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Fourth Grade (Grade 4) Triangles Questions

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Grade 4 Triangles
If I have a right triangle, and one angle is 50 degrees and the second is 40 degrees, then the measure of third angle is       90        degrees.
Grade 4 Triangles
Which describes the triangle?
Scalene Triangle v1
  1. Right
  2. Acute
  3. Obtuse
Grade 4 Triangles CCSS: 4.G.A.2
What kind of triangle is shown?
Right Triangle v2
  1. right
  2. equilateral
  3. isosceles
  4. obtuse
Grade 4 Triangles
Name the triangle.
Equilateral Triangle v1
  1. Equilateral
  2. Right
  3. Scalene
Grade 4 Triangles
Which of the following best describes how triangles are classified?
  1. overall size and side length
  2. side length and angle measure
  3. number of sides and overall size
  4. angle measure and number of sides
Grade 4 Triangles CCSS: 4.G.A.2
Name the triangle.
Right Triangle v1
  1. Equilateral
  2. Right
  3. Scalene
Grade 4 Triangles CCSS: 4.G.A.2
What kind of triangle is shown?
Isosceles Triangle v1
  1. right
  2. equilateral
  3. isosceles
  4. scalene
Grade 4 Triangles CCSS: 4.G.A.2
What type of triangle has 3 equal sides and 3 equal angles that measure [math]60 deg[/math].
  1. equilateral triangle
  2. scalene triangle
  3. isosceles triangle
  4. right triangle
Grade 4 Triangles CCSS: 4.G.A.2
A right triangle is a triangle that has one 90 degree angle.
  1. True
  2. False
Grade 4 Triangles
What is a scalene triangle?
  1. A triangle with 3 equal sides.
  2. A triangle with 2 equal sides.
  3. A triangle with no equal sides.
Grade 4 Triangles
What is an isosceles triangle?
  1. A triangle with 3 equal sides.
  2. A triangle with 2 equal sides.
  3. A triangle with no equal sides.
Grade 4 Triangles
Which is true of scalene triangles?
  1. they have no equal sides and no equal angles
  2. they have three equal sides but no equal angles
  3. they have two equal angles and two equal sides
  4. they must have at least one right angle
Grade 4 Triangles CCSS: 4.G.A.2
A right triangle is a triangle having all three sides of equal length.
  1. True
  2. False
Grade 4 Triangles
Fill in the correct geometric term.

An                      has 3 equal sides.
Grade 4 Triangles CCSS: 4.G.A.2
All triangles have 3 sides and right angles.
  1. True
  2. False
Grade 4 Triangles
An                   obtuse triangle                  is a triangle with one angle greater than 90 degrees.
Grade 4 Triangles CCSS: 4.G.A.2
What is this triangle called? Why?
Right Triangle ABC v3
Grade 4 Triangles CCSS: 4.G.A.2
What kind of triangle is this? Why?
Right Triangle v2
Grade 4 Triangles
Draw and label each of the following: scalene, equilateral, and right triangle.
Grade 4 Triangles
Name the polygon. Write the number of sides and vertices it has.

Equilateral Triangle v1


polygon:                

sides:                

vertices:                
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