Sometimes
they discovered SEX:D
True. It could not have 2 right angles, because the combined angles of a triangle equal 180 and 2 right angles would leave the final side at 0 degrees.
It is always true because two congruent angles that are complementary both measure 45 degrees.
false
False because complementary angles have a sum of 90 degrees.
yes
true
Sometimes
Generally false. In a parallelogram, the opposite angles are equal. They could be complementary in a highly skewed parallelogram in which one angle is 45 degrees.
false
true for A+ studentsraynaray
Select one: a. False; the angles may be supplementary. b. True c. False; one angle may be in the interior of the other. d. False; the angles may be adjacent.
True.
A linear pair are always supplementary, 180 degrees not 90.
true
The angles in a square are congruent true or false