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Deducing Properties of Equilateral Triangles

In a triangle...

Question

In a triangle ABC, ∠B = 60° and ∠C = 80°. Suppose the bisector of ∠B and ∠C meet at I. Find ∠BIC.

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Solution

According to the given information, triangle ABC can be drawn as shown below.

In ,

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Similar questions

Q. In a triangle ABC,

∠ B = 60^{o}

∠ C = 80^{o}

. Suppose the bisector of

∠ B

∠ C

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B C = 75

∠ B = 60^{0}

∠ C = 45^{0} .

Draw the bisectors of

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and bisectors of

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Deducing Properties of Equilateral Triangles

Standard VIII Mathematics

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