The angle in degree =

= 36°

Let, two acute angles are x and y

so,

ATQ, x - y= 36°......(1)

x+ y= 90°......(2)

solving 1 & 2, we get;

⇒ 2x= 126°

⇒ x= 63°

putting the value of x in 2, we get;

⇒ 63°+ y= 90°

⇒ y= 27°

so, Two acute angles are 63° & 27°