The floor of a hall is covered with identical tileswhich are in the shapes of triangles. One such triangle has the vertices at (– 3, 2) , (–1, –1) and (1,2) . If the floor of the hall is completely coveredby 110 tiles, find the area of the floor.

The floor of a hall is covered with identical tiles
which are in the shapes of triangles. One such triangle has the vertices at (– 3, 2) , (–1, –1) and (1,
2) . If the floor of the hall is completely covered
by 110 tiles, find the area of the floor.

Match the items on the right to the items on the left.