Respuesta :

Answer:

Area= (Base* Height)/2=(Base*12)/2=120

Base*12=120*2=240

Base=240/12

Base=20 m

Step-by-step explanation:

Good morning ☕️

Answer:

20 m

Step-by-step explanation:

Consider A the area of the triangle      

                h the height      

               b the base length

_________

rule:

[tex]A=\frac{b*h}{2}[/tex]

_________

then

[tex]b =\frac{2A}{h} = \frac{2*120}{12} =\frac{240}{12} =20[/tex]

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:)