Question

Si AB = 8, BC = 10, Luego AT es igual a:

A- 12 cm.
B- 13 cm.
C- 18 cm.
D- 144 cm.
E- Otro valor​

Answer 1

${x}^{2} = 8 \times 18 = 4 \times 2 \times 2 \times 9 \\ {x}^{2} = {4}^{2} \times {3}^{2} \\ x = 12$