Write two different expressions to represent the perimeter of this square. what can you conclude from the two expressions? express your answer in two or more complete sentences.

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Is the square root of 4 plus the square root of 16 rational?