Mathematics, 21.12.2019 23:31, 23jazzy

In ∆abc, m∠acb = 90°, m∠a = 40°,
cd (d ∈ab ) is a segment perpendicular to the side ab . find m∠dbc and m∠bcd.

Answers: 1

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In ∆abc, m∠acb = 90°, m∠a = 40°,
cd (d ∈ab ) is a segment perpendicular to the side ab . find...