Question

(a)r (b) r (c) 3r (d) 2r Q.9 In the figure, Triangle ABC is an isosceles triangle with AB-AC and measure of angle ABC 50". Then the measure of angle BDC and angle BEC will be..​

Answer 1

Answer:

wheree is the figure ?

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Answer 2

Answer:

100 degree

Step-by-step explanation:

△ABC is an isosceles triangle.

∴∠B=∠C=50

∠BAC=180−50−50=80

∠BAC=∠BDC=80

 (angles on circle by the same chord on the same segment are equal)

∠BEC is supplementary angle of ∠BAC

∴∠BEC=180−∠BAC

=180−80=100