The measure of ABC is 66.
What is tangent?
The tangent is defined as a line touching circles or an ellipse at only one point.
Given:
<ABC = 24
<BAC = 90 degree ( tangent is perpendicular radius of the circle.)
Using angle- sum property,
<ABC + <ACB + <BAC = 180
<ABC +24 +90 = 180
<ABC = 66 degrees.
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