This is the name for an angle that is less than 90 degrees.
What is an acute angle?
100
An object is _______ when one half is a mirror image of the other half.
What is symmetrical?
100
This is a word hidden inside perimeter that can help you remember the meaning of the word.
What is RIM?
200
This polygon has five vertices.
What is a pentagon?
200
A line segment where two faces of a 3-dimensional shape meet.
What is an edge?
200
This is an angle that measures exactly 90 degrees.
What is a right angle?
200
A section of a line bounded by two endpoints.
What is a line segment?
200
This is the perimeter of Mrs. Tindall's closet which measures 6 feet by 8 feet.
What is 28 feet?
300
This figure has eight sides, eight vertices, and eight angles.
What is an octagon?
300
A point where the edges of a solid figure meet.
What is an edge?
300
A 150 degree angle is called an ______ angle.
What is obtuse?
300
Having the same shape and size.
What is congruent?
300
The extra large dog bed sold at Petsmart has a perimeter of 180 inches. The length of the bed is 50 inches. The width of the bed is _______ inches.
What is 40 inches?
400
This figure has ten straight sides.
What is a decagon?
400
A 3-dimensional shape with two identical, parallel bases.
What is a prism?
400
This polygon has angles that add up to exactly 180 degrees.
What is a triangle?
400
A polygon with four sides.
What is a quadrilateral?
400
Mrs. Simon wants to buy ribbon to glue around her classroom door. Her door is 80 inches tall and 30 inches wide. Find the number of inches of ribbon she will need.
What is 220 inches?
500
This polygon has twelve sides, twelve angles, and twelve vertices.
What is a dodecagon?
500
A solid shape with an elliptical or circular base and a curved surface that tapers to a point.
What is a cone?
500
This is the name for an angle that is 180 degrees.
What is a straight angle?
500
Polygons with all equal sides and all equal angles are ________.
What is regular?
500
The NFL SuperBowl locker room is in the shape of a square. The length of one wall is 38 feet. Find the perimeter of the locker room.