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Eighth Grade (Grade 8) Geometry and Measurement Questions

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Grade 8 Symmetry and Transformations CCSS: 8.G.A.3
The second image was created from the first using which transformation(s)?
1x3 Q1 Vertical
1x3 Q1 Horizontal
  1. Rotation
  2. Translation
  3. Rotation and then Translation
  4. Translation and then Dilation
Grade 8 Volume CCSS: 8.G.C.9
Find the volume of a sphere with a radius of 20 mm. Use 3.14 for pi.
  1. 251.2 cubic millimeters
  2. 125.6 cubic millimeters
  3. 100,480 cubic millimeters
  4. 33,493.33 cubic millimeters
Grade 8 Coordinate Geometry CCSS: 8.G.B.8
What is the distance between (6, 2) and (18, -4)?
  1. 176
  2. 180
  3. 13.4
  4. 13.2
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.6
Which of the following is a way to state the Pythagorean Theorem?
  1. leg2-hypotenuse2=leg2
  2. leg2+hypotenuse2=leg2
  3. leg2-leg2=hypotenuse2
  4. leg2+leg2=hypotenuse2
Grade 8 Symmetry and Transformations CCSS: 8.G.A.3
The shape (-2,1), (2,1), (0,3) is what type of transformation from (-2,-1), (2,-1), (0,-3)? Choose all that apply.
Grid 10x10
  1. Translation
  2. Reflection
  3. Rotation
  4. Dilation
Grade 8 Angles
Find the measure of one angle of a regular decagon.
  1. 1440°
  2. 144°
  3. 1800°
  4. 900°
Grade 8 Triangles
How many degrees are there in a triangle?
  1. 45
  2. 180
  3. 90
  4. 360
Grade 8 Volume CCSS: 8.G.C.9
What is the formula for the volume of a cylinder?
  1. V=l×w×h
  2. V=13πr2h
  3. V=πr2h
  4. V=43πr3
Grade 8 Symmetry and Transformations CCSS: 8.G.A.3
The second image was created from the first using which transformation(s)?
T Q3 Vertical
T Q4 Vertical
  1. Rotation, Translation, and Dilation
  2. Translation
  3. Rotation and then Translation
  4. No possible transformations
Grade 8 Pythagorean Theorem and Applications CCSS: 8.G.B.6
Which correctly states the Pythagorean Theorem for the triangle shown?
Right Triangle ABC v3
  1. AC2+BC2=AB2
  2. AB2+BC2=AC2
  3. AC2+AB2=BC2
  4. none of the above
Grade 8 Volume CCSS: 8.G.C.9
What is the approximate volume of a cone with a height of 8 cm and a base radius of 3 cm? (Use π = 3.14)
  1. 75.36 cubic centimeters
  2. 72 cubic centimeters
  3. 71 cubic centimeters
  4. 70 cubic centimeters
Grade 8 Other Polygons
A polygon with eight sides.
  1. octahedron
  2. octagon
  3. octangle
  4. octagram
  5. none of the above
Grade 8 Volume CCSS: 8.G.C.9
What is the formula for the volume of a cone?
  1. V=l×w×h
  2. V=13πr2h
  3. V=πr2h
  4. V=43πr3
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