A. Choose the correct answer that completes each sentence.

	1.	Two rays that are joined together at their endpoints form a/an __________.
		vertex angle triangle

	2.	The common endpoint of two rays is the __________ of an angle.
		angle degree vertex

	3.	Angles are classified based on their __________.
		vortex measure rays

	4.	One angle of a/an __________ triangle has a measure of 90°.
		right acute obtuse

	5.	A polygon with four sides is called a/an __________.
		triangle parallelogram quadrilateral

	6.	A triangle with no equal sides is called a/an __________ triangle.
		scalene equilateral isosceles

	7.	A __________ is a parallelogram with four right angles and all sides equal in length.
		rectangle square quadrilateral

	8.	An angle that measures more than 90° but less than 180° is a/an__________ angle.
		obtuse acute straight

B. Drag and drop each description to its figure.

9.

a three-sided polygon

10.

a triangle with one right angle

11.

a triangle with two equal sides

12.

a rectangle with all sides equal in length

13.

a parallelogram with four right sides

14.

a parallelogram with all sides equal

15.

a plane figure that is not a polygon

16.

a quadrilateral with one pair of parallel sides

C. Name each quadrilateral. Choose the correct answer.

	17.
		rhombus square trapezoid

	18.
		parallelogram rectangle rhombus

	19.
		rectangle square trapezoid

	20.
		rhombus parallelogram trapezoid

	21.
		trapezoid parallelogram rhombus

D. Classify each triangle. Choose the correct answer.

	22.
		obtuse acute right

	23.
		isosceles equilateral scalene

	24.
		acute equiangular obtuse

	25.
		acute right obtuse

E. Find the perimeter of each figure. Fill in the blank with the correct answer.

Great Job!