Analyze the provided image and extract all textual and numerical data, including labels, values, and any questions posed.

The image contains the following textual and numerical data:

• The number '4' is present in the top-left corner.
• The letter 'A' is a vertex of a triangle.
• The letter 'D' is a point on the side of the triangle.
• The letter 'O' is a point inside the triangle.
• The letter 'C' is a vertex of a triangle.
• The letter 'K' is a point on the base of the triangle.
• The letter 'B' is a vertex of a triangle.
• Angle markings indicate that two angles within the triangle originating from vertex A are equal.
• Another angle marking indicates an angle at vertex B.
• A right-angle symbol is present at vertex C.
• The value '130°' is indicated as an angle related to point D and vertex B, likely an exterior angle or a sector of a circle.
• There are markings around point O suggesting angles or circular arcs.
• There are questions posed: '∠A - ?' and '∠B - ?'.