tolong jawab angka C. D. F

C). a² = 10,6² - 5,6²
a² = 112,36 - 31,36
a² = 81
a = √81
a = 9 inci

D). a² = 10,4² - 9,6²
a² = 108,16 - 92,16
a² = 16
a = √16
a = 4 m

F). c² = 9,6² - 7,2²
c² = 92,16 - 51,84
c² = 144
c = √144
c = 12 kaki