jadelinbotzoc
jadelinbotzoc jadelinbotzoc
  • 10-03-2022
  • Mathematics
contestada

prove that if∠ 1 ≅ ∠2, then ∠2 ≅ ∠3. what is m∠1?

prove that if 1 2 then 2 3 what is m1 class=

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linandrew41
linandrew41 linandrew41
  • 10-03-2022

We see that angle 1 and angle 2 are equal.

By the vertical angle theorem, the opposite (vertical) angles of two intersecting lines are congruent, we see that angle 1 and angle 3 must be equal. Since angle 1 and angle 2 are equal, then angle 2 and angle 3 are equal.

And for angle 1, it must be 90 degrees, because if it was any other angle measure, angle 1 and angle 2 could never be equal

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