Answer each question below. 17. Two similar triangular prisms have edge lengths in the ratio of 5 : 3. What is the ratio of the surface areas (100) of the two prisms? 18. In isosceles A4BE, ZA and Z'E are the base angles and myB is twice mZA. If AE =512, what is (1) the area of AABE ? 19. If V = 100m , find s. 20. Find x. (98) (85) 100 5 12 1 0 60 21. If the area of the sector is 27x , find the 22. Find r. (94) (87) length of AXM M 120 5x0 0 4x X Do each proof below. 23. Given: K is the midpoint of HJ . 24. Given: BC is a diameter of OO; ABI| FO. Prove: CAUJK = GAHIK DB || GO ; CF = CG Prove: CA= CD H F O