If two lines intersect at right angles, then the two lines are perpendicular.
a. hypothesis:...
Mathematics, 01.09.2019 03:50, lin43
If two lines intersect at right angles, then the two lines are perpendicular.
a. hypothesis: two lines intersect at right angles.
conclusion: the two lines are not perpendicular.
b. hypothesis: two lines intersect at right angles.
conclusion: the two lines are perpendicular.
c. hypothesis: the two lines are perpendicular.
conclusion: two lines intersect at right angles.
d. hypothesis: the two lines are not perpendicular.
conclusion: two lines intersect at right angles.
2.
which statement is a good definition?
a. parallel lines are lines that do not intersect.
b. skew lines are lines that do not intersect.
c. a square is a rectangle with four congruent sides.
d. right angles are angles formed by two intersecting lines.
3.
identify the property that justifies the following statement:
a. if , then .
symmetric property of equality
b. symmetric property of similarity
c. reflexive property of equality
d. reflexive property of similarity
4.
if m = 6n + 1 and m = 4n + 19, what is the m?
a.7n
b.10n + 20
c.55
d.110
5.
if a conditional is true and its hypothesis is true, then its is true.
a. hypothesis
b. conclusion
c. conditional
d. statement
6.
read the following two statements. then, if possible, use the law of detachment to draw a conclusion.
i can go to the concert if i can afford to buy a ticket.
i can afford to buy a ticket.
a. i cannot go to the concert.
b. i can go to the concert.
c. not possible
d. if i can go to the concert, then i can afford to buy a ticket.
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