Let G be a graph of order 2k +1 > 3. If the size of G is at least k2 + k +1 or the size of G is k2 + k and G # Kk, k+1, show that G contains a triangle.

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?