How Many?
A rectangle has this many lines of symmetry.
four lines of symmetry
When a polygon moves, up, down, right, left or diagonally in a straight path
translation (slide)
Two shapes that are exactly the same shape and size
congruent
This shape has the most lines of symmetry.
circle
A snowman with a tilted hat has this many lines of symmetry.
none (zero)
An equilateral triangle has this many lines of symmetry.
three lines of symmetry
When a polygon moves around a point.
rotation (turn)
Two shapes that are the same shape but have different in sizes
similar
Name a letter that has a vertical line of symmetry.
A (M, T, U, V, W, Y)
Solve. 2/5 = n/40
16 (n = 16)
A pentagon has this many lines of symmetry.
five lines of symmetry
The mirror image of a polygon
reflection (flip)
The property of a figure in which a line can divide the figure into two congruent parts.
symmetry
Name a letter that has a horizontal line of symmetry.
B (C, D, E, K)
Write 0.15 as a fraction in simplest form.
3/20
The letter H has how many lines of symmetry.
2 lines of symmetry
A movement that does not change the size or shape of a figure is a rigid _____________.
transformation
This polygon has three sides.
triangle
Name a letter that has both a vertical and a horizontal line of symmetry.
H (I, O, X)
The inside of a trianlge measures this.
180 degrees
A decagon has how many lines of symmetry
ten lines of symmetry
The hands on a clock moving from 12:00 to 12:15
90 degree rotation
A trianlge with no matching sides an no lines of symmetry
scalene
Name a letter that has 180 degree rotational symmetry.
S (X, Z, O, N, I, H)
Find the perimeter and the area of a rectangle with a length of 5 ft and a width of 2 ft.
perimeter of 14 ft and area of 10 square ft