Question

From adjacent figure .find m angle ABD.​

Answer 1

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Answer 2

Given,

∠BAC = 70°

∠ACB = 50°

To Find,

Measure of ∠ABD.

Solution,

We know that,

By angle sum property, the sum of three angles of a triangle is 180°

So,

70° + 50° + ∠ABC = 180°

∠ABC = 180° - 120°

∠ABC = 60°

Since ∠ABD and ∠ABC form a linear pair,

⇒ 60° + ∠ABD = 180°

   ∠ABD = 120°

Hence, measure of ∠ABD is 120°.