Draw a right angle ABC and trace the BD beam so that the degrees ABC and CBD are 7: 8.

univerkov | December 29, 2020 | education

Decision.
Let ΔАВD = 7x, then ∠СBD = 8x.
We have: 7x + 8x = 90;
15x = 90;
x = 6.
Angle ABD = 42 degrees
angle CBD = 48 degrees

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