Respuesta :

choixongdong
isosceles triangle
y = 72 yd

x^2 = 72^2 + 72^2
x^2 = 2(72^2)
x = 72√2 yd

musiclover10045

since both inside angles are 45, the height and the base would be the same

 the height is 72 yd

 so the base (y) would also be 72 yd

Y = 72


 and x would equal y * sqrt(2)

 so x = 72sqrt(2)