Practice problem
ABCD একটি চতুর্ভূজ। ∠\angle∠DAC=98∘^\circ∘, ∠\angle∠DBC=82∘^\circ∘, ∠\angle∠BCD=70∘^\circ∘ and BC=AD. Find ∠\angle∠ACD.
28
69
30
45
Type a concept, like “slope” or “photosynthesis”.