Use the diagram shown.



if ∠1 ≅ ∠3, which conclusion can be made?

a.

a  ∥  b

b.

c  ∥  d

c.

c  ⊥  a

d.

b  ⊥  d

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)

in english this is

ex.15 pag.85 create. write in ten lines the continuation of the ballad of the five motanasi, using verbs to the imperfect and to the perfect compound. five stars

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