State whether the statements in Review Exercises 1 to 12 are always true (A), sometimes true (S), or never true (N). 1. A square is a rectangle. 2. If two of the angles of a trapezoid are congruent, then the trapezoid is isosceles. 3. The diagonals of a trapezoid bisect each other. 4. The diagonals of a parallelogram are perpendicular. 5. A rectangle is a square. 6. The diagonals of a square are perpendicular. 7. Two consecutive angles of a parallelogram are supplementary. 8. Opposite angles of a rhombus are congruent. 9. The diagonals of a rectangle are congruent. 10. The four sides of a kite are congruent. 11. The diagonals of a parallelogram are congruent. 12. The diagonals of a kite are perpendicular bisectors of each other.
State whether the statements in Review Exercises 1 to 12 are always true (A), sometimes true (S), or never true (N). 1. A square is a rectangle. 2. If two of the angles of a trapezoid are congruent, then the trapezoid is isosceles. 3. The diagonals of a trapezoid bisect each other. 4. The diagonals of a parallelogram are perpendicular. 5. A rectangle is a square. 6. The diagonals of a square are perpendicular. 7. Two consecutive angles of a parallelogram are supplementary. 8. Opposite angles of a rhombus are congruent. 9. The diagonals of a rectangle are congruent. 10. The four sides of a kite are congruent. 11. The diagonals of a parallelogram are congruent. 12. The diagonals of a kite are perpendicular bisectors of each other.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 39E
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