The vertical angle of an isosceles triangle is 2/3 each of its base angles. Find it in radians. Share with your friends Share 7 Neha Sethi answered this Dear student each of the base angle has measure x.then x+x+23x=180° [By angle sum property of triangle]⇒3x+3x+2x3=180° ⇒8x=540°⇒x=67.5°⇒x=67.5×π180c⇒x=3π8 radians Regards 8 View Full Answer