Answer:
Explanation:
Angles ABC and CBD are complementary angles, which means that their measures add up to 90°.
Since angle ABC is 47°, then angle CBD must be 90° - 47° = 43°.
angle ABC + angle CBD = 90 degree
47 degree + angle CBD = 90 degree
angle CBD = 90 degrees - 47 degrees
angle CBD = 43 degree