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Topic Review: Two-Dimensional Shapes

Quiz by Texas Education Agency

Grade 8
Mathematics
Texas Essential Knowledge and Skills (TEKS)

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Measures 4 skills from
Grade 8
Mathematics
Texas Essential Knowledge and Skills (TEKS)

8.10.A: Two-Dimensional Shapes
8.10.B: Two-Dimensional Shapes
8.10.C: Two-Dimensional Shapes
8.10.D: Two-Dimensional Shapes

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11 questions
Show answers
  • Q1
    Quadrilateral PRST is transformed according to the rule ( x, y ) → (x + 9, y + 4 ) to create quadrilateral P'R′S'T′ Which statement is true?
    Question Image
    The angle measures of quadrilateral P' R′ S' T′ are equal to the corresponding angle measures of quadrilateral PRST.
    The angle measures of quadrilateral P' R′ S' T′ are greater than the corresponding angle measures of quadrilateral PRST.
    The side lengths of quadrilateral P' R′ S' T′ are twice the corresponding side lengths of quadrilateral PRST.
    The side lengths of quadrilateral P' R′ S' T′ are 9 units longer than the corresponding side lengths of quadrilateral PRST.
    60s
    8.10.A: Two-Dimensional Shapes
  • Q2
    A transformation is applied to a figure to create a new figure. Which transformation does not preserve congruence?
    A reflection across the x-axis
    A translation 7 units down
    A dilation by a scale factor of 5
    A rotation of 90° clockwise
    60s
    8.10.B: Two-Dimensional Shapes
  • Q3
    A figure is graphed on a coordinate grid as shown. The figure is rotated 180° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?
    Question Image
    (x, y ) → (x, −y)
    ( x, y ) → (− y, −x)
    (x, y ) → ( -x, y)
    (x, y ) → (− x, −y)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q4
    The coordinate grid shows parallelogram PQRS. Parallelogram PQRS is rotated 90° clockwise about the origin to create parallelogram PQRS′. Which rule describes this transformation?
    Question Image
    (x , y)→ ( x, -y)
    (x , y)→ ( y,x)
    (x , y)→ ( y,-x)
    (x , y)→ ( -x, y)
    60s
    8.10.C: Two-Dimensional Shapes
  • Q5
    A preschool has a rectangular field and a rectangular playground that are similar in shape. Each dimension of the field is 3.2 times the corresponding dimension of the playground. Which statement is true?
    The area of the field is 6.4 times the area of the playground.
    The perimeter of the field is 10.24 times the perimeter of the playground.
    The area of the field is 10.24 times the area of the playground.
    The perimeter of the field is 6.4 times the perimeter of the playground.
    60s
    8.10.D: Two-Dimensional Shapes

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