Please help with these 4 geometry questions!
7. In the diagram below, AD = 9, DC = 8, and BC = 15. Find AB.
8. In the diagram below, ST = 15*sqrt(3). Find the length of RT.
9. An altitude of an equilateral triange is 14 units. What is the perimeter of the equilateral triangle?
10. In the diagram below, CT = 10. What is the length of AB?
