Complete the proof
given: abcd is a
parallelogram
ac bd
prove: abcd is a rectangle
reasons
a
statements
abcd is a
ncbd
ad bc
given
sss triangle
congruence theorem
срстс
mzdab = 90°
mzcba = 90°
the quad is a both
pairs of opposite sides are
congruent
“давс а двad
reflexive property
of congruence
consecutive angles in a
are supplementary
zdab = zcba
zdab and zcba
are supplementary
ab = ab
definition of
rectangle
7. congruent supp.
angles are right angles
8 abcd is a rectangle
undo
submit

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)