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Question
In a triangle LMN, ∠L=∠N=60°. ∠M = ?
In a triangle LMN, ∠L=∠N=60°. ∠M = ?
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Solution
The correct option is A 60°
∠L = ∠N = 60° .
Using angle sum properties of triangles.
We know,
The sum of ∠L, ∠M and ∠N of a triangle LMN equals to 180°.
i.e,
∠L + ∠M + ∠N = 180°.
60° + ∠M + 60° = 180°
∠M = 180°- 120°
∠M = 60°
∠L = ∠N = 60° .
Using angle sum properties of triangles.
We know,
The sum of ∠L, ∠M and ∠N of a triangle LMN equals to 180°.
i.e,
∠L + ∠M + ∠N = 180°.
60° + ∠M + 60° = 180°
∠M = 180°- 120°
∠M = 60°
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