Question

*Please help check my answers!

1. One way to show that a statement is NOT a good definition is to find a _______.
A. converse
B. conditional
C. biconditional
D. *counterexample

Answer 1

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Answer 2

Two lines that intersect at right angles are perpendicular.
(1 point)
The statement is not reversible.
Yes; if two lines intersect at right angles, then they are perpendicular.
*Yes; if two lines are perpendicular, then they intersect at right angles.
Yes; two lines intersect at right angles if (and only if) they are perpendicular.

Answer 3

Thank you @ganeshie8

Answer 4

np :) wat you're doing in 2nd question ?

Answer 5

you're trying to write converse of given statement is it ?

Answer 6

is the following definition of perpendicular reversible? If yes, write it as a true biconditional.
Two lines that intersect at right angles are perpendicular.

Answer 7

thats the question

Answer 8

you're right :) good job !

Answer 9

Which biconditional is NOT a good definition?
A. Two angles are supplementary if and only if the sum of their right angles measures 180.
*B. Two angles that are vertical angles if and only if they are nonadjacent and are formed by two intersecting lines.
C. Two angles that form a linear pair if and only if the angles are adjacent.
D. The sum of two angles is 90 if and only if they are complementary.

Answer 10

sorry i have an 48% in Geometry and want to make sure i have things right before i send it in.

Answer 11

this question is wrong,

Answer 12

for biconditional to work,
it should work both directions.

Answer 13

oh thats how my teacher put the question! they sometimes mess up.

Answer 14

lol sorry, question is correct.
answer is wrong

Answer 15

the answer u selected is wrong i mean

Answer 16

Oh ok, sorry about that :)