The bisectors of the base angles of an isosceles triangle ABC- with AB - AC- meet at O- If - B - C -50 - - What is the measure of angle O -A- 130-B- 150-C- 120-D- 80-

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Standard IX

Mathematics

Obtuse Angled Triangle

The bisectors...

Question

The bisectors of the base angles of an isosceles triangle ABC, with AB=AC, meet at O. If ∠B = ∠C = 50Â°. What is the measure of angle O?

130^o

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80^o

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150^o

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120^o

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Solution

The correct option is A
130^o

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Similar questions

Q. In an isosceles ∆ABC, the bisectors of ∠B and ∠C meet at a point O. If ∠A = 40°, then ∠BOC =
?
(a) 110°
(b) 70°
(c) 130°
(d) 150°

Q. In an isosceles triangle ABC, with AB = AC, the bisectors of

∠ B

and

∠ C

intersect each other at O. Join A to O. Which of the following is true?

Q. In an isosceles triangle with

A B = A C

, the bisectors of

∠ B

and

∠ C

meet at

O

. Produce

B O

upto

M

then prove that

∠ M O C = ∠ A B C

$The bisectors of ∠ B a n d ∠ C of an isosceles triangle with AB = AC intersect each other at a point O. BO is produced to meet AC at a point M Prove that ∠ M O C = ∠ A B C .$

Q. In a ΔABC, if ∠A = 60°, ∠B = 80° and the bisectors of ∠B and ∠C meet at O, then ∠BOC =

(a) 60°

(b) 120°

(c) 150°

(d) 30°

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The bisectors of the base angles of an isosceles triangle ABC, with AB=AC, meet at O. If ∠B = ∠C = 50Â°. What is the measure of angle O?

The correct option is A 130o

The correct option is A
130^o