unaisaumar8
unaisaumar8 unaisaumar8
  • 23-09-2021
  • Mathematics
contestada

PLEASE HELP!!!!!!!!!!!!

PLEASE HELP class=

Respuesta :

jimrgrant1 jimrgrant1
  • 23-09-2021

Answer:

x = 75°

Step-by-step explanation:

∠ ABD and ∠ CBE are vertically opposite angles and are congruent, so

∠ ABD = 15°

The sum of the 3 angles in Δ ABD = 180° , then

x = 180° - (90 + 15)° = 180° - 105° = 75°

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