### Home > AC > Chapter 11 > Lesson 11.1.1 > Problem 11-4

11-4.

Find the dimensions of the generic rectangle shown at right and write its area as a sum and a product.

Generic rectangle interior top left | interior top right |

interior bottom left | interior bottom right |

To express the area as a product, find the dimensions of the large rectangle and multiply them together. To express the area as a sum, add the tile pieces together.

Generic rectangle left edge top | interior top left | interior top right |

left edge bottom | interior bottom left | interior bottom right |

bottom edge left | bottom edge right |