contestada

please tell me the step process of this btw this is 7th-grade math its angle measurements I'm confused about the process pls help.

please tell me the step process of this btw this is 7thgrade math its angle measurements Im confused about the process pls help class=

Respuesta :

manissaha129

Answer:

Angle BDA is 90°

(2x + 3) + 55 = 90

2x + 3 + 55 = 90

2x + 58 = 90

2x = 90 - 58

2x = 32

x = 32/2

x = 16

Hence,

x=16

x=16Angle BDA is 90°.

Otras preguntas