3 years ago

Pleease help me answer this question

Mathematics

2 answers:

irina [24]3 years ago

6 0

Answer:

BDA = 90 degrees

Step-by-step explanation:

pochemuha3 years ago

6 0

Answer:

<h2>Angle BDA is 90°</h2>

$(2x + 3) + 55 = 90 \\ 2x + 3 + 55 = 90 \\ 2x + 58 = 90 \\ 2x = 90 - 58 \\ 2x = 32 \\ x = \frac{32}{2} \\ \boxed{x = 16}$

Hence,

<h3><u>x=16</u></h3><h3>Angle BDA is <u>90°</u>.</h3>

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