How to create curve triangle in react native

Hi all I am new to react native and try to develop below UI.Is they any ways to create a curve triangle.I tried but unable curve edge of triangle.
enter image description here

Here is my code.

 notch: {
    width: 32,
    height: 5,
    backgroundColor: 'transparent',
    borderStyle: 'solid',
    borderLeftWidth: 30 / 2,
    borderRightWidth: 30 / 2,
    borderBottomWidth: 20,
    borderLeftColor: 'transparent',
    borderRightColor: 'transparent',
    borderBottomColor: '#7B1B67',
    position: 'absolute',
    right: 15,
    top: -15,
    borderTopLeftRadius: 15,
    borderTopRightRadius: 15,
    borderBottomLeftRadius: 95,
    borderBottomRightRadius: 95,
    overflow:'visible'


},