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In triangle ABC, m angle A = 43 and m angle C = 66, what is m angle B?

User Gabrjan
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1 Answer

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A triangles interior angles sum is always 180°. So we need to find B. To do that we will add the angles we have, then subtract to find angle B:-

43 + 66 = 109

180 - 109 = 71

Check:-

43 + 66 + 71 = 180

SO, angle B is 71°.

Hope I helped ya!!!!!!!!!!!!☺☺☺


User Jjisnow
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