Respuesta :

Step-by-step explanation:

By triangles

find the Hypotenuse.

[tex]ab \\ {ab}^{2} = {1}^{2} + {4}^{2} \\ {ab}^{2} = 17 \\ ab = \sqrt{17} = 4.123[/tex]

[tex]gh \\ {gh}^{2} = {4}^{2} + {4}^{2} \\ {gh}^{2} = 32 \\ gh = \sqrt{32} = 5.656[/tex]

a)

AB= 4.123

GH= 5.656

b)

AB=4.1

GH=5.7