soniyagharti01
soniyagharti01 soniyagharti01
  • 03-01-2022
  • Mathematics
contestada

please solve this question
the answer is 45 degree ​

please solve this question the answer is 45 degree class=

Respuesta :

Leora03
Leora03 Leora03
  • 03-01-2022

Answer:

∠ABC= 45°

Step-by-step explanation:

∠ABC= ∠BCD (alt. ∠s, AB//CD)

(2x +15)°= (3x)°

2x +15= 3x

3x-2x= 15 (-2x on both sides)

x= 15

Substituting the value of x:

∠ABC

= ∠BCD

= [3(15)]°

= 45°

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