how to check if a radio is checked in angular code example

Example: angular how to check a radiobox

<p>
   <input type="radio" value="male" name="gender" [ngModel]="user.gender" > Male
   <input type="radio" value="female" name="gender" [ngModel]="user.gender" > Female
</p>
<p>
   <input type="checkbox" name="tc" [ngModel]="user.isTCAccepted" >
</p>