Respuesta :

Answer:

The missing angle is 160° .

Step-by-step explanation:

Coz a straight line has 180°.

∆DBC = 90°+70° = 160°

substract it from 180°, cause a triangle has 180°

You'll get 20°

Now Substract it from 180° which is a angle of straight line.

you'll get 160°

Which is your answer dear.

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