Which of the following equations must also be true? Select three that apply.

How do you find the area of a triangle

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

Need same math paper but the back now i hope your able to read it cleary i need with hw