Tolong jawabnya yang benar ​

AC^2= AB^2 + BC^2
AC^2= 12^2 + 9^2
= 144 + 81
= 225
AC = 225^2
AC = 15

AF^2 = Ab^2 + BF^2
= 12^2 + 6^2
= 144 + 36
= 180
= (36 x 5)
= 6 √5

a. 15 cm

b. 6√5 cm

c. 3√13 cm

d. 2√29 cm

Penjelasan dengan langkah-langkah:

a. AC² = AB² + BC²

= 12² + 9²

= 144 + 81

= 225

AC = √225 = 15 cm

b. AF² = AB² + BF²

= 12² + 6²

= 144 + 36

= 180

AF = √180 = √(36×5) = 6√5 cm

c. AH² = AD² + DH²

= 9² + 6²

= 81 + 36

= 117

AH = √117 = √(9×13) = 3√13 cm

d. AG² = AC² + CG²

= 225 + 6²

= 225 + 36

= 261

AG = √261 = √(9×29) = 3√29 cm