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# Write a flow proof.

Given: <N is congruent to <L      line JK is congruent to line MK   Prove: triangle JKN is congruent to triangle MKL

# Given 39 points, how many lines can be drawn that contain two of the 39 points?

im supposed to know how many lines 39 points make

# given: AB is congruent to CB , angle ABD is congruent to angle CBD prove: triangle ABD is congruent to triangle CBD

what is the 2 column proof that i would write?

# how to do proofs

in a triangle, segment AB is parallel to segment CD, and segment AC is parallel to segment BD. prove that triangle ABC is congruent to triangle DCB.

# in triangle abc AB=AC , angle bisectors of angle B AND C intersect AC atE and AB at F respectively . prove that BF=FE=EC

in triangle abc AB=AC , angle bisectors of angle B AND C intersect AC atE and AB at F respectively . prove that BF=FE=EC

# How do you do two column profs in geometry

I dont understand how to do substitution proofs without numbers.

# Given AL=SK prove AS=LK

i need reasons for each step there are 6 steps

# Prove: if a quadrilateral has one pair of sides both parallel and congruent then the quadrilateral is a parallelogram.

I think I have to prove that the other opposite sides are also parallel, but I am not sure how to do it. It is given that the other opposite sides are congruent and parallel.

# Rectangle proof

The proofs for the each properties? Properties: 1) Both pairs of opposite sides are parallel. 2) Both pairs of opposite angles are congruent. 3) Both pairs of opposite sides are congruent...

# Suppose the following have been established or assumed:

Axiom 1: p ->~y Axiom 2: ~q ->r Theorem 1: p -> ~z Theorem 2: x -> either q or z Theorem 3: r -> either x or y Write a two-column proof of the proposition p ->...

That's all

# Using triangle congruencies, prove why the construction of an angle bisector works.

in paragraph or two column proof

# How do you write a proof for the following conditional? (Geometry)

I am having trouble writing a proof for the two conditionals below. I was wondering how I would go about writing the ones below. If two lines are perpendicular, then they form a 90 degree angle...

# In the isosceles Prove that ABDE Is a parallelogram

Prove that ABDE is a parallelogram and prove that if the altitudes on AC from d and b are egual,then AC bisects bd