IN Δ ABC, IF <A= 100⁰ ,AD bisects <A and AD ḻ (perpendicular) BC ,then <B is …..
a. 50⁰
b. 90⁰
c. 40⁰
d. 100⁰
Answers
Answered by
2
Answer:
In △ABC,∠BAD+∠ADB+∠DBA=180
∘
by angle sum property of a triangle.
50
∘
+90
∘
+∠DBA=180
∘
⇒∠DBA=180
∘
−140
∘
=40
∘
∴∠B=40
Answered by
2
Answer:
The answer is option c.
Please mark me as brainlist!
Similar questions