Answer and Explanation
Your Answer is
Correct Answer is D
Explanation
Since AB=BC, AD=DC in the question, so ∠ABD=∠CBD=1/2*80°=40°, ∠CDB=∠ADB=1/2*50°=25°, then ∠BAD =180°-40°-25°=115°.
23. Marie is building a kite. In a drawing of her kite, shown below, AB = BC, AD = DC, the measure of ∠ABC is 80°, and the measure of ∠ADC is 50°。What is the measure of ∠BAD ?
