Special Parallelograms — Unit test Answers

A circle is shown. 2 radii with length 8 inches are drawn. A line connects the radii points on the circle to form a triangle. The angle between the 2 radii is 90 degrees. The area between the triangle and the outline of the circle is shaded.

A composite figure is comprised of a semicircle, trapezoid, and 2 rectangles.

A smaller triangle is cut out of a larger triangle. The larger triangle is a right triangle with side lengths of 5 millimeters and 12 millimeters. The smaller triangle has side lengths of 4 millimeters and 3 millimeters.

A semicircle with a diameter of 8 meters is shown. A smaller semicircle with a diameter of 4 meters is cut out of the larger semicircle. A rectangle with side lengths of 2 meters and 5 meters is connected to the semicircle.

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.

A carpenter is making a wooden window frame that has a width of 1 inch.

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Four circles, each with a radius of 2 inches, are removed from a square.

A circle is inscribed in a regular hexagon with side length 10 feet. What is the area of the shaded region?

A square is inscribed in a circle of diameter 12 millimeters. What is the area of the shaded region?