please tell me the step process of this btw this is 7th-grade math its angle measurements I'm confused about the process pls hel
1 answer:
Answer:
Angle BDA is 90°
(2x + 3) + 55 = 90
2x + 3 + 55 = 90
2x + 58 = 90
2x = 90 - 58
2x = 32
x = 32/2
<u>x = 16</u>
Hence,
x=16
x=16Angle BDA is 90°.
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