A circle is shown. 4 radii are drawn. Chords are drawn to connect the radii points on the circle to form 2 triangles. The triangles have base lengths of 6 centimeters and the other 2 sides have lengths of 5 centimeters. The distance between the base of the triangle to the outline of the circle is 1 centimeter. Everything around the triangles is shaded.
A trapezoid, square, and semicircle are connected to form a composite figure. Trapezoid M D C K has base lengths of 8 millimeters and 4 millimeters. Square A B C D has side lengths of 2 millimeters. Line A B is the diameter of the semicircle and has a length of 4 millimeters.
Polygon A B C D E F has 6 sides. Angle A is 170 degrees, angle C is 133 degrees, angle D is 102 degrees, angle E is 117 degrees, and angle F is 90 degrees.

3 shapes are combined to form a composite figure. A semicircle is on the bottom, and then a small rectangle connects the semicircle to a triangle.
Polygon A B C D is shown with exterior angles. Exterior angle A is 25 degrees, exterior angle B is 146 degrees, and exterior angle D is 149 degrees.

Which polygon is a concave octagon?




A square is inscribed in an equilateral triangle that is inscribed in a circle.
A trapezoid has base lengths of 12 centimeters and 13 centimeters. The other sides have lengths of 5 centimeters and 10 centimeters. A rectangle with side lengths of 2 centimeters and 5 centimeters is connected to the side with length 10 centimeters.
Which expressions represent the area of the entire shaded region, including the light and dark shading? Select three options.
An interior angle of a regular polygon has a measure of 135°. What type of polygon is it?
Which statements are true about polygons? Select three options.All sides and all angles in a polygon are congruent.The sides of a polygon are segments that intersect exactly two other segments, one at each endpoint.In a polygon, all segments with a common endpoint are collinear.If all of the sides of a convex polygon are extended, none of them will contain any points that are inside the polygon.The extension of at least one side or diagonal in a concave polygon will contain a point that is inside the polygon.
Which polygon has an interior angle sum of 900°?




A polygon with 7 sides is shown. An angle goes inside of the shape.

A composite figure is comprised of a square and 4 semicircles.
What is the sum of the measures of the interior angles of a 12-gon?
A composite figure is comprised of a semicircle, trapezoid, and 2 rectangles.
What is the measure of each interior angle of a regular octagon?
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