Respuesta :

choixongdong

Answer:

C. a = 6 , b = 2√10

Step-by-step explanation:

Similarity triangles so

a/2 = 18/a

a^2 = 36

a = 6

b^2 = 2^2 + 6^2

b^2 = 4 + 36

b^2 = 40

b = 2√10

Answer

a = 6 , b = 2√10