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Mathematics 8 Online
OpenStudy (anonymous):

Can someone check my answer please :) Place the following steps in a logical order to help prove that segment DE is half the length of segment AC Theorem: The segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length.

OpenStudy (anonymous):

OpenStudy (anonymous):

OpenStudy (anonymous):

Help please ! The first link is to the picture provided . Th first attachment is the proof in the wrong order . The second attachment are the answer choices .

OpenStudy (anonymous):

Im pretty sure it was the first one can you check?

OpenStudy (anonymous):

@Ashleyisakitty @ganeshie8 can you check this please ??

OpenStudy (anonymous):

@Mertsj @robtobey can you please check my answer

OpenStudy (mertsj):

Choose the last one. It has the given first.

OpenStudy (anonymous):

the given is statement lll

OpenStudy (mertsj):

Typically , in a proof, you begin with what is given and go from there.

OpenStudy (anonymous):

In the question the proof is out of order so you have to put it in order

OpenStudy (anonymous):

Statement Justification I Segment DE is half the length of segment AC. By substitution II Segment DE is parallel to segment AC. Slopes of parallel lines are equal. III The coordinates of point D are (4, 5) and coordinates of point E are (5, 3) Given IV Length of segment DE is Square root of 5 and length of segment AC is 2 multiplied by the square root of 5. By the distance formula

OpenStudy (mertsj):

So what is your answer choice?

OpenStudy (anonymous):

I believe its III The coordinates of point D are (4, 5) and coordinates of point E are (5, 3) Given I Segment DE is half the length of segment AC. By substitution IV Length of segment DE is Square root of 5 and length of segment AC is 2 multiplied by the square root of 5. By the distance formula II Segment DE is parallel to segment AC. Slopes of parallel lines are equal.

OpenStudy (mertsj):

I would go with III, II, IV I

OpenStudy (mertsj):

yw

OpenStudy (anonymous):

III, II, IV I is not an option

OpenStudy (anonymous):

@Mertsj

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