A tree casts a shadow that is 7 feet long. A person nearby casts a shadow that is 3.5 feet long. The person is 5 feet tall. What is the height of the tree?

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement