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 fromGrade 8MathematicsTexas Essential Knowledge and Skills (TEKS)

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

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- Q1Quadrilateral PRST is transformed according to the rule ( x, y ) → (x + 9, y + 4 ) to create quadrilateral P'R′S'T′ Which statement is true?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.60s8.10.A: Two-Dimensional Shapes
- Q2A transformation is applied to a figure to create a new figure. Which transformation does not preserve congruence?A reflection across the x-axisA translation 7 units downA dilation by a scale factor of 5A rotation of 90° clockwise60s8.10.B: Two-Dimensional Shapes
- Q3A 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?(x, y ) → (x, −y)( x, y ) → (− y, −x)(x, y ) → ( -x, y)(x, y ) → (− x, −y)60s8.10.C: Two-Dimensional Shapes
- Q4The coordinate grid shows parallelogram PQRS. Parallelogram PQRS is rotated 90° clockwise about the origin to create parallelogram PQRS′. Which rule describes this transformation?(x , y)→ ( x, -y)(x , y)→ ( y,x)(x , y)→ ( y,-x)(x , y)→ ( -x, y)60s8.10.C: Two-Dimensional Shapes
- Q5A 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.60s8.10.D: Two-Dimensional Shapes