Question

olis, ayúdenme a resolver el problema 3, doi coronita ​

Answer 1

$Sabiendo\:que\\(2x-5)^2=(x+3)^2+(x-4)^2\\4x^2-20x+25=(x^2+6x+9)+(x^2-8x+16)\\4x^2-20x+25=2x^2-2x+25\\2x^2=18x\\x^2=9x\\x=9\\Calculando\:el\:perimetro\:y\:el\:area\\(perimetro)=(x+3)+(x-4)+(2x-5)=4x-6=4(9)-6=30m\\(Area)=\frac{(x+3)(x-4)}{2} =\frac{(12)(5)}{2}=30m^2$