@Override
    public boolean contains(double lat1, double lon1) {
        return normDist(lat1, lon1) <= normedDist;
    }
@Test
    public void testContainsCircle() {
        Circle c = new Circle(10, 10, 120000);
        assertTrue(c.contains(new Circle(9.9, 10.2, 90000)));
        assertFalse(c.contains(new Circle(10, 10.4, 90000)));
    }