Question

in the following figure angle abd = 3 angle dabband bdc = 120 degree find angle abd​

Answer 1

Step-by-step explanation:

your answer is Angle B =60°

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Answer 2

Answer:

Step-by-step explanation:

∠ABD = 3DAB

First, we find ∠BDA which will be,

⇒ ∠BDA = 180 - 120

⇒ ∠BDA = 60°

Now we use the ∠ sum of Δ property,

⇒ ∠ABD + ∠DAB + ∠BDA = 180°

⇒ 3DAB + DAB +60 = 180

⇒ 4DAB = 120

⇒ ∠DAB = 30°

Now we find ∠ABD,

⇒ ∠ABD = 3DAB

⇒ ∠ABD = 3 × 30

⇒ ∠ABD = 90°

And that's your answer!

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