Shapes
This shape has 4 equal sides and 4 right angles.
Square
An angle that is smaller than 90 degrees is called this.
acute angle
The perimeter is the total distance around this.
a shape
This shape is used for most road signs that tell you to stop.
an octagon
A triangle with all three sides the same length is called this.
an equilateral triangle
An angle that measures exactly 90 degrees is called this.
right angle
The area of a rectangle is found by multiplying these two things.
length and width
The face of a clock shows this kind of angle when the time is 3:00.
a right angle
This shape has 6 sides and 6 angles.
hexagon
An angle larger than 90 degrees but smaller than 180 degrees is called this.
obtuse angle
If one side of a square is 4 units long, the perimeter of the square is this
16 units
A soccer field is this shape.
a rectangle
A shape with 8 sides and 8 angles is known as this.
octagon
An angle that measures exactly 180 degrees is called this.
straight angle
The area of a square with a side length of 5 units is this.
25 square units
The shape of a pyramid is called this.
a triangular pyramid
This type of quadrilateral has only one pair of parallel sides.
trapezoid
The total number of degrees inside a triangle always adds up to this
180 degrees
A rectangle has a length of 7 units and a width of 3 units. Its perimeter is this.
20 units
This three-dimensional shape best represents a can of soup
a cylinder