Lesson: Areas of Rectangles and Squares Mathematics • Middle School • Grade 6 • Geometry • Concepts and Skills • Glencoe • Geometry • Glencoe • Algebra 1 • Prentice Hall • Geometry • Common Core • Glencoe • Geometry • Common Core • Glencoe • Algebra 1 • Common Core

Find the area of a rectangle whose length is 4 times its width, if its width is 4 cm.

Given that is a rectangle of area 1,389.6 cm², find the area of figure .

Jackson parked his rectangular car in an empty rectangular parking lot. The dimensions of the parking lot are 87 feet by 83 feet and the dimensions of the car are 18 feet by 8 feet. What area of the parking lot is still empty?