ytm7mdxd ytm7mdxd

21-04-2024
Mathematics

contestada

Please solve it and explain step by step

Please solve it and explain step by step class=

Respuesta :

Itz5151 Itz5151

21-04-2024

Step-by-step explanation:

m<ABD = m<ABC +m<CBD (Clearly)

m<ABC = 2x

m<ABD = 120°

m<CBD = 5x-6

So

2x+5x-6 = 120°
7x-6 = 120
7x = 126
x = 18°

So m<ABC = 18*2 = 36°

m<CBD = 5*18 - 6 = 90-6 = 84°

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