angles
triangles
polygons
3D shapes
Other
100
Define acute angle
An acute angle is less than 90 degrees.
100
Define scalene triangle.
A scalene triangle has no sides congruent.
100
Name a 4 sided figure that is a parallelogram with 4 congruent sides.
A rhombus or a square
100
What is a polyhedron?
A polyhedron is a 3 dimensional figure with faces that are polygons.
100
What is another name for a 3 D shape which is a ball?
Sphere
200
Which angle is greater than 90 degrees and less than 180?
An obtuse angle is greater than 90 degrees and less than 180.
200
Define an isosceles triangle.
An isosceles triangle has 2 sides congruent and 2 congruent angles.
200
What is a figure with 5 sides?
pentagon
200
Which polyhedron has 2 congruent bases?
a prism
200
Name 2 kinds of parallelograms.
A rhombus, a rectangle or a square
300
Which angle is 90 degrees?
a right angle
300
What is an equilateral triangle?
An equilateral triangle has 3 congruent sides and 3 congruent angles.
300
What are ALL 4 sided polygons called?
Quadrilaterals
300
Which polyhedron has only one base?
A pyramid has only one base.
300
What is the 3D shape in the middle of a chocolate lava cake?
A cylinder
400
Find a right angle in the room.
an square corner
400
Can a right triangle have an obtuse angle?
No, a right triangle has one 90 degree angle and if it had an obtuse angle, the sum of the angles would be greater than 180.
400
What is a six sided figure called?
hexagon
400
What is another name for a lateral face?
A lateral face of a prism or pyramid is a side of the figure.
400
What is the formula for volume?
length x width x height
500
How many degrees are in a triangle?
180
500
Which kind of triangle is a regular triangle?
Equilateral triangle
500
What shape is a stop sign? How many sides does it have?
Octagon--8 sides
500
Name a 3 dimensional shape that is not a polyhedron.
A cone, cylinder or sphere--has a curved surface.
500
Name the measures of the angles in an equilateral triangle.
Each angle is 60 degrees.
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