The height BD is drawn from the vertex of the right angle from the triangle ABC.
| September 26, 2021 | education
The height BD is drawn from the vertex of the right angle from the triangle ABC. Find the angle CBD if the angle A + 20 degrees.
The height of a right-angled triangle, drawn to the hypotenuse, divides it into two similar triangles, which are also similar to the original triangle.
Then the triangles BCD and ABC are similar, and the angle BAC = CBD = 20 as similar angles of similar triangles.
Answer: The CBD angle is 20.
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