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that1chick
Group Title
Tell me if this is right!? (:
Write a 2column, paragraph, or flowchart proof to show that vertex angles of a kite are bisected by the diagonal.
Statement: Reason:
1. triangle PSR is congruent to PQR 1. SSS congruency
2. ∠QPS = ∠QPR + ∠SPR and ∠QRS = ∠QRP + ∠SRP 2. Definition of a Kite
3. the corresponding angles are congruent 3. CPCTC
 2 years ago
 2 years ago
that1chick Group Title
Tell me if this is right!? (: Write a 2column, paragraph, or flowchart proof to show that vertex angles of a kite are bisected by the diagonal. Statement: Reason: 1. triangle PSR is congruent to PQR 1. SSS congruency 2. ∠QPS = ∠QPR + ∠SPR and ∠QRS = ∠QRP + ∠SRP 2. Definition of a Kite 3. the corresponding angles are congruent 3. CPCTC
 2 years ago
 2 years ago

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JakeV8 Group TitleBest ResponseYou've already chosen the best response.2
which angles on the kite are considered the "vertex angles"?
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
they're top and bottom angles
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
the ones bisected
 2 years ago

JakeV8 Group TitleBest ResponseYou've already chosen the best response.2
The top and bottom angles can't be congruent with each other... the top is practically always "fatter" than the bottom of a kite. If they were congruent, it would look more like a straight diamond.
 2 years ago

JakeV8 Group TitleBest ResponseYou've already chosen the best response.2
But that's not what you need to prove... You just need to prove that the vertex angles (which probably aren't congruent) are both bisected by the kite diagonal.
 2 years ago

JakeV8 Group TitleBest ResponseYou've already chosen the best response.2
I can't remember "SSS congruency".... that might be ok. I would have started with a statement that PR = PR by "Reflexive" I think you can probably state that the angles at Q and S are congruent by the definition of a kite... (I don't know, I didn't take Kite Geometry) Then maybe you can use side PR and the congruent angles Q and S to show that the two side triangles are congruent. If they are congruent, then corresponding angles of congruent triangles are congruent. The small halfangles that are the result of the diagonal bisector PR are corresponding to each other... and since the triangles are congruent, those angles are congruent. Last step, state the angles are bisected because the two partial angles are congruent, by reason of "definition of a bisector" or something like that. I'm sorry I don't know it exactly... it's been awhile since I did geom proofs
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
Thanks (:
 2 years ago

JakeV8 Group TitleBest ResponseYou've already chosen the best response.2
hope it helped... it was a bit rambly, but maybe the reasoning can remind you of the "official" names of the reasons you are supposed to use. I am good at seeing that it is true, but less good at providing the "approved geometry reasons" for the proof.
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
This one has me really confuzzled :/
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
Statement: Reason: 1. PR = PR 1. Reflexive 2. ∠Q = ∠S 2. Definition of Kite 3. PS = PQ 3. Definition of Kite 4. triangle PSR is congruent 4. CPCTC to triangle PQR 5. ∠QPR = ∠SPR and ∠QRP = ∠SRP 5. Definition of Congruent Triangles 6. PR bisects ∠QPS and ∠QRS 6. Definition of a Bisector
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
look good?
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
1. Reflexive Property of Equality
 2 years ago

that1chick Group TitleBest ResponseYou've already chosen the best response.1
Thanks for helping me :DD
 2 years ago

JakeV8 Group TitleBest ResponseYou've already chosen the best response.2
I think reason 5 should be CPCTC... you are saying the two angles are congruent BECAUSE they are corresponding parts of congruent triangles. Also, I think reason 4 might need to be something like SSA... "side side angle" but I can't remember that for sure... Otherwise, it looks good... good persistence :)
 2 years ago
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