Respuesta :

Answer:

m∠CBD = 68°

Step-by-step explanation:

Step 1: Find x.

[tex]4x + 52 + 8x - 10 = 90\\12x + 42 = 90\\12x = 48\\x = 4[/tex]

Step 2: Plug it in the angle in question.

[tex]4(4) + 52\\16 + 52\\68[/tex]

Otras preguntas