The median AM in triangle ABC is equal to the segment BM. Prove that ∠BAC = ∠B + ∠C.
| December 16, 2020 | education
Property: If in a triangle the median is equal to half of the side that it divided, then this triangle is right-angled.
Then the angle BAC = 90 °, and the sum of angle B and angle C = 90 ° (by the property of a right-angled triangle).
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