Kyra is using rectangular tiles of two types for a floor design. A tile of each type is shown below.
Two rectangular tiles, rectangle PQRS with vertices at P(1, 1), Q(8, 1), R(8, 5), and S(1, 5). Rectangle JKLM with vertices J(4, 1) , K(8, 1), L(8, 4) and M(4, 4)