True or false. you can find a perpendicular line segment from a point to a line using the paper folding technique

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Is the figure congruent? yes or no?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.