Yes, it can.
circle, triangle, square and rectangle
54
First get any shape and divide it by triangles. For example, a hexagon has six sides, you divided by 4 triangles. You know that a triangle measures 180 degrees, so you add all the triangle by 180 degrees and you give the answer.
rectangle, circle,square,triangle
square
An equilateral triangle.
circle, triangle, square and rectangle
Squares
54
How many lines of symmetry does an equilateral triangle have?
First get any shape and divide it by triangles. For example, a hexagon has six sides, you divided by 4 triangles. You know that a triangle measures 180 degrees, so you add all the triangle by 180 degrees and you give the answer.
They are five plane shapes!
rectangle, circle,square,triangle
No, parallelograms are specific to quadrilaterals (shapes with 4 sides).
Triangle, Rectangle, Circle, Pentagon
square
8