Question

In the adjoining figure, find angle BED and angle ABD.​

Answer 1

In triangle ABC:

angle A+B+C=180°

70+50+angle B=180

120+angle B=180°

angle B=60°

therefore,angle ABD=60°

NOW IN TRIANGLE BED

angle B+D+E=180°

60+30+angle E=180

angle E=90°

therefore, angle BED=90°

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