Respuesta :

Answer:

m∠CBD = 35

Step-by-step explanation:

m∠ABD = 75 which is the total * among all angle measures

m∠ABC = 40 (given angle)

m∠CBD = ?

To find m∠CBD, subtract the total - the given angle

m∠CBD = m∠ABD - m∠ABC

m∠CBD = 75 - 40

m∠CBD = 35