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3 years ago

Geometry proof help please

Mathematics

2 answers:

Aleks [24]3 years ago

6 0

JK = MN because of Given

∠JLK = ∠MLN because of the vertical angle theorem

JL = LN because of definition of midpoint

ΔJLK = MLN because of SAS

∠K = ∠N because corresponding angles of congruent triangles are congruent.

Hope this helps!<span />

frez [133]3 years ago

6 0

Check the picture below.

so, therefore, the triangles KLJ and NLM have a side, then another adjacent side and an angle in common, Side Side Angle. That means both triangles are congruent, and if they're congruent, so are all of their angles too.

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