A square or rectangle.
If you split a rectangle into three parts one of those halves is a third of a rectangle.
Yes, two equal right-angle triangles.
The square has four lines of symmetry. The rectangle has only two, as it can be folded in half horizontally or vertically: students should be encouraged to try to fold the rectangle in half diagonally to see why this does not work.
You split the water evenly into cups
if u cut it in half diagonally, u get 2 triangles
D2=l2+w2
No, not evenly.
A square or rectangle.
Scalene Triangle
Yes if it's divided diagonally.
They are both polygon. If you cut a rectangle diagonally, you will have two triangles. And if you want to figure out the area of a right triangle, you can treat it as a rectangle and then cut your calculation in half to get the correct answer.
Halve.
You can pool the money and split the expenses evenly.
If you split a rectangle into three parts one of those halves is a third of a rectangle.
You would get two right-angled triangles.
Diagonally opposite angles of a rectangle or square is one example.