1. This is a stage towards completing a Sierpinski’s Triangle. What class of triangles are used in the Sierpinski’s Triangle? A. Scalene triangles. B. Equilateral triangles. C. Obtuse isosceles triangles. D. Right isosceles triangles.

2. The construction company was building trusses to be used to give support to a roof of a building. Which of the following best describes the type of triangle pictured in their plan? A. Right scalene triangle B. Acute equilateral triangle C. Obtuse isosceles triangle D. Right isosceles triangle

3. Which BEST describes this triangle? A. Acute B. Right C. Equilateral D. Obtuse

4. A triangle has 2 angles that measure 40° each. Which of the following best describes this triangle? A. Right isosceles triangle B. Equilateral triangle C. Obtuse isosceles triangle D. Acute scalene triangle

5. How is a square different from a rhombus? A. It has 4 equal sides. B. It has perpendicular diagonals. C. All 4 angles are 90°. D. Opposite angles are congruent.

6. Darius drew a sketch of the dollhouse he plans to build for his younger sister. Which of the following best describes the shape of the roof? A. Rhombus B. Parallelogram C. Trapezoid D. Kite

7. These shapes belong: These shapes do not belong: Which of the following shapes belong? A.B. C. D.

8. Which of these pattern block pieces meet all these descriptions? --A block that has no right angles. --A block with 2 sets of parallel sides. --A block that has all equal sides. --A block with both acute and obtuse angles. A. TrapezoidB. Square C. RhombusD. Hexagon

9. Given the following geoboard with as shown, to which peg could you stretch segment GE to change the shape to a square? ● ● ● ● ● A. Peg A B. Peg B C. Peg C D. Peg D D F G E A B C

10. These quadrilaterals have been sorted into two groups. All the quadrilaterals in one group have an attribute that is shared by none of the quadrilaterals in the other group. Identify the attribute. A. At least one 90 degree angle. B. At least one pair of parallel lines. C. A convex shape. D. A closed figure.

11. Jeremy had a piece of cardboard shaped like the figure below. Which of the following BEST describes the shape of the piece of cardboard? A. Square B. Pentagon C. Quadrilateral D. Rhombus