Question

Geometry help please? I suck with proofs. >.<

Answer 1

Statement Reason
I Segment DE is parallel to segment AC. Slopes of parallel lines are equal.
II The coordinates of point D are (4, 5) and coordinates of point E are (5, 3) By the midpoint formula
III Slope of segment DE is -2 and slope of segment AC is -2. By the slope formula
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
V Segment DE is half the length of segment AC. By substitution

Which is the most logical order of statements and reasons for the proof?
III, II, I, IV, V

III, I, IV, V, II

II, I, III, V, IV

II, III, I, IV, V

Answer 2

I'm pretty lost, please help

Answer 3

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Answer 4

Wow how helpful!!!
lol

Answer 5

lol

Answer 6

I think it might be C? :(

Answer 7

@rdr006 please help :/

Answer 8

III come before I since I talks about slopes being equal
III comes after you know the end points of DE because they are needed for slope formula

Answer 9

Are you given any thing known like whether DE is a bisector and what is it you are trying to prove? Knowing that should give you either the first or last step

Answer 10

No, there is no given, which ids why it seemed odd and difficult.

Answer 11

I figured III comes before I, so do you think it's C?

Answer 12

Is it trying to prove DE is half of AC, if it is then V is last

Answer 13

Cant be c in c III comes after I

Answer 14

It literally doesn't say what the proof is trying to prove. :/ It just gives the theorem, proof, and multiple choices.

Answer 15

I would go with D since III cot be the first thing you prove and since by the wording it sounds like V comes last

Answer 16

Do you think we can get the coordinates and D and E without getting the slope first?

Answer 17

because D puts II before III

Answer 18

You need the coordinates to get the slope and since the slope is not given, the formula uses the two points, so you would need to know either the slope and a point to find another point or use two points to find slope

Answer 19

Oh, you're right. I somehow thought it was reversed.

Answer 20

II fits well when placed befo II since it gives the points the only reason II wouldnt go first is if something else talked about proving DE were midpoints

Answer 21

so D would work

Answer 22

Yep Id go with D, glad to help!

Answer 23

Thank you!

Answer 24

I'll say whether it's right or not when i finish.

Answer 25

Yup, that's right!