10. Draw a rectangular prism in two-point perspective in which the vanishing points are above the prism. 11. Find the perimeter of rectangle WXYZ with coordinates W(3. -4), X(3, -6), Y(-1, -6), and Z(-1, -4). 12. Find the geometric mean of 17 and 5 to the nearest tenth. 13. The circle shown has a diameter of 12 inches. Chord BD is 8 inches long. How far is BD from the center of the circle? 12 in. in. B D 8 in. 14. The rectangular bookcase shown below has braces placed diagonally across the back. Determine the length, in feet, of the brace that will be used for diagonal WY . 6 fi X 8 ft Z 15. Decide whether each set of side lengths could form a valid triangle: (19, 13, 32), (7, 13, 10), and (3, 16, 12)