1.

35.44In the given circle,the given circle, O is a centre and CBDC = 42", the ZACB isequal to1.42°2.45°3.4809600

Answer»

Angle CDB=angle BAC=42°(angles subtended by same chord)

CA is diameter,therefore angle ABC=90°(angle subtended by diameter is 90°)

In triangle CBA ,angle ACB=48°[angle

sum property]



Discussion

No Comment Found