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MATH / A circle is centered at O, (AB)¯ is a diameter and C is a point on the circle with ∠COB=50^(∘). What is the degree measure of ∠CAB?

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problem

A circle is centered at OO, AB¯\overline{AB} is a diameter and CC is a point on the circle with ∠COB=50∘\angle COB = 50^\circ. What is the degree measure of ∠CAB\angle CAB?
Plain-text mathematical notation (without MathML)
A circle is centered at O, (AB)¯ is a diameter and C is a point on the circle with ∠COB=50^(∘).  What is the degree measure of ∠CAB?
Original LaTeX notation
A circle is centered at $O$, $\overline{AB}$ is a diameter and $C$ is a point on the circle with $\angle COB = 50^\circ$.  What is the degree measure of $\angle CAB$?

level

Level 3

type

Geometry

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