Indicate if it is true or false, justify. a) If a quadrilateral has a pair of congruent sides, then it is not a parallelogram. b) If a quadrilateral does not have congruent diagonals, then it must not be a rectangle. c) The sum of the exterior angles of a regular pentagon is 360 ° d) If a parallelogram has a right angle, it is a rectangle

Indicate if it is true or false, justify. a) If a quadrilateral has a pair of congruent sides, then it is not a parallelogram. b) If a quadrilateral does not have congruent diagonals, then it must not be a rectangle. c) The sum of the exterior angles of a regular pentagon is 360 ° d) If a parallelogram has a right angle, it is a rectangle

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter3: Triangles

Section3.5: Inequalities In A Triangles

Problem 27E: In Exercises 27 and 28, construct proofs. Given: Quadrilateral RSTU with diagonal US R and TUS are...

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