Polygons And Quadrilaterals Worksheet - Unit 9, Humble Independent School District Page 31

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III. Please answer the following questions as Always, Sometimes, or Never true
5. If a quadrilateral is a trapezoid then it is an isosceles trapezoid.
6. If a quadrilateral is an isosceles trapezoid then it is a trapezoid.
7. If the diagonals of a quadrilateral are perpendicular then it is a kite.
8. If a quadrilateral has exactly one pair of parallel sides, then it is a parallelogram.
IV. Mark the symbols on each figure to match the given definition.
9. Kites are quadrilaterals with
10. Kites are quadrilaterals with exactly
perpendicular diagonals.
one pair of congruent opposite angles.
11. Kites are quadrilaterals with exactly
12. Trapezoids are quadrilaterals with
two pairs of congruent consecutive sides.
exactly one pair of parallel sides.
13. Isosceles trapezoids are trapezoids with
14. Isosceles trapezoids are trapezoids with
congruent legs.
two pairs of congruent base angles.
15. Isosceles trapezoids are trapezoids with congruent diagonals.

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