Respuesta :

Answer:

Step-by-step explanation:

LM=CB

MN=BA

LN=CA

5y=90

y=90/5=18

y=18°

7z+6=90

7z=90-6=84

z=84/7=12

z=12°

∠L=180-(90+30)=180-120=60

∠L=60°

LN=2y-12=2×18-12=36-12=24

LN=24

m∠C=m∠L=60

m ∠C=60°

AC=z+12=12+12=24

AC=24

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