alleryFold a regular pentagon so the halves match. How many different folds work?
A3
B1
C5
D10
Answer & Solution
Correct answer: C. 5
1. A regular polygon with n sides has n lines of symmetry.
2. A regular pentagon has 5 sides.
3. So it has 5 lines of symmetry, each through a corner and the middle of the opposite side.
_Source: Wikipedia, Regular polygon (CC BY-SA 4.0), General properties_
Keep practising Shapes and Spatial Understanding
Browse all Shapes and Spatial Understanding questions for CTET, or explore more Mathematics topics.
Related questions
In a 3 x 3 grid with Row 1 at the bottom, where is the item in row 3, column 2?On a grid, Mini takes 4 steps right, then 2 steps left, then 1 step up. Where is she compaA map scale says 1 cm stands for 5 km. Two towns are 4 cm apart on the map. How far apart Facing the setting Sun, which direction is your right hand pointing?Turn an equilateral triangle about its center; it first looks unchanged after how many degA regular hexagon looks unchanged after a turn of at least how many degrees?A regular pentagon cannot tile a floor on its own. Why?Looking straight down at a cube on a desk, you see which shape?