Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School c² = a² + b² (x + 5)² = x² + 8² (x + 5)(x + 5) x x²x² x² + 10x + 25 x² + 10x + 25 = x² x + 25 = 64 10x = 39 x = 3.9

Worksheet Practice 12-2 c² = a² + b² (x + 9)² = x² + 16² (x + 9)(x + 9) x x²x² x² + 18x + 81 x² + 18x + 81 = x² x + 81 = x = 175 x = 9.7 Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 Both chords are 3 units from the center. 8 Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 Since chords are equal, they are equidistance to the center. Mrs. Rivas International Studies Charter School

Worksheet Practice Mrs. Rivas International Studies Charter School

Worksheet Practice c² = a² + b² 9² = 7² + x² 81 = 49 + x²  ¯¯ = x² = x Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 x 5 c² = a² + b² x² = 5² + 4.2² x² = x² =  ¯¯¯¯42.64 x = 6.5 Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 c² = a² + b² 15² = 8² + x² 225 = 64 + x²  ¯¯¯ = x² = x Mrs. Rivas International Studies Charter School

Worksheet Practice x c² = a² + b² x² = 4² + 6² x² = x² =  ¯¯52 x = 7.2 Mrs. Rivas International Studies Charter School

Worksheet Practice x x c² = a² + b² 16² = 15² + x² 256 = x²  ¯¯ = x² = x Mrs. Rivas International Studies Charter School

Worksheet Practice xx c² = a² + b² 12² = 4.5² + x² 144 = x²  ¯¯¯¯¯ = x² = x Mrs. Rivas International Studies Charter School

Worksheet Practice 12-2 c² = a² + b² 15² = 3² + x² 225 = 9 + x²  ¯¯¯ = x² = x Mrs. Rivas International Studies Charter School