mrashrafkotkaat
mrashrafkotkaat
05.12.2020 • 
Mathematics

Rays BA and BC are perpendicular. Point D lies in the interior of ∠ABC. If m∠ABD=(3r+5)° and m∠DBC=(5r−27)°, find m∠ABD and m∠DBC. m∠ABD= ?

m∠DBC= ?

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