**Problem**

*ABCD* is a square of side 10 cm. *PQRS* is a square inside *ABCD*. *PQBA*, *QRCB*, *RSDC*, and *SPAD* are identical trapezia, each of area 16 cm^{2}. What is the height of each trapezium if *PQ* is parallel to *AB* and *SR* is parallel to *DC*?

A. 3 cm |
C. 2 cm |

B. 1.8 cm |
D. 1.2 cm |

**Answer Key**