Measure the ∠ABC using a protractor.
In the figure, ∠BAD=4∠DBA, what is the measure of ∠ABC and x in degrees?
Construct ΔABC with AB = 6 cm, BC = 8 cm and AC = 10 cm. What's the measure of ∠ABC ?
In the given figure, AC = AD = CD = BD. Then the measure of angle ABC is