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Because otherwise you would have found the area of the rectangle/square (the rectangle/square being if you put two of the triangles together).

Q: Why do you have to cut the area of a triangle in half?

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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.

the area of a triangle is half of the base times the height the area of a triangle is half of the base times the height

A triangle

The area of qa triangle is always half of the area of a rectangle with the same dimensions

It's half the area of a rectangle

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you can cut a triangle directly

nothing

Because a triangle is half of a rectangle. The area of a rectangle is length times width, the area of a triangle is half that.

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.

You multiply half of base times height so find base times height and cut it in half.

the area of a triangle is half of the base times the height the area of a triangle is half of the base times the height

the area remains constant justin biebeeZ a gay hot lord hahahah

you split your shape in half, (The rectangle and the triangle), by putting a line through it and then calculate the area of the rectangle and then calculate the area of the triangle, half the area of the triangle then add the area of the triangle and the rectangle together!Then you should have your answer!

A triangle

Trapizoid &triangle

If the heights and bases are the same, then the triangle is half the area of the parallelogram.

you multiply length times width and if its a triangle you multiply length times width and divide by two or cut in half (: