Question

ABCD is a cyclic quadrilateral. If angle BAC=45° and angle ADB=35°, find angle ABC. ( answer is 100° but how that i can't understand)

Answer 1

Answer:

Angle BAC + Angle ADB + Angle ABC = 180 degree

45 degree + 35 degree + Angle ABC =180 degree

80 degree + Angle ABC = 180 degree

Angle ABC = 180 degree - 80 degree

Angle ABC = 100 degree

Step-by-step explanation:

FOLLOW ME ( HOPE I HELP YOU )

Answer 2

Step-by-step explanation:

/_ABC =100°.

mark me as a brilliant .

the answer doesn't need figure