Plzz ans fast!!! Q). In fig., if AB is diameter of circle, then what is value of x? Share with your friends Share 0 Abhishek Jha answered this Dear Student, Here is the solution of your asked query: Diameter AB forms a semicircle.And we know that angle substended by the diameter in a semicircle is 90°., so we have;∠ACB=90°Also, ∠ABC=40° {Given}We know that sum of angles of triangle is 180°. so we have;∠ABC+∠ACB+x=180°⇒40°+90°+x=180°⇒x=180°-130°=50°Therefore the value of x is 50° Regards 0 View Full Answer
