Respuesta :

cryssatemp

Answer: [tex]54\°[/tex]

Step-by-step explanation:

Angles 1 and 3 are opposite angles, and in geometry  there is a rule related to these type of angles:

"All opposite angles (angles opposed by the vertex) are equal"

Hence, if angle 3 measures [tex]54\°[/tex] angle 1 meaures  [tex]54\°[/tex] as well.

meredith48034

Answer:

the measure of angle 1 is also 54° because it is vertical to angle 3