Lynn Marecek; MaryAnne Anthony-Smith; Andrea Honeycutt Mathis; Jay Abramson; Sharon North; Amy Baldwin; Alyssa Howell

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Dimensions and Areas of Rectangles

Algebra 1Dimensions and Areas of Rectangles

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Use the given information in the table to find the missing length, width, or area of each rectangle. Be prepared to discuss the strategies you used as you found the missing measures.

Rectangle	Length (units)	Width (units)	Area (square units)
A	$x + 3$	$x - 4$
B		$3 x - 5$	$9 x^{2} - 25$
C			$x^{2} + 8 x + 16$
D	$x - 2$		$2 x^{2} - 3 x - 2$
E		$x + 6$	$x^{2} + 4 x - 12$
F			$x^{2} - 16$
G	$3 x - 5$	$3 x - 5$
H	$3 x - 1$	$x + 2$
I	$2 x - 3$		$4 x^{2} - 12 x + 9$
J			$x^{2} + 6 x - 16$
K	$2 x + 3$	$2 x - 3$
L			$4 x^{2} - 12 x y + 9 y^{2} - 25$

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- Authors: Lynn Marecek, MaryAnne Anthony-Smith, Andrea Honeycutt Mathis, Jay Abramson, Sharon North, Amy Baldwin, Alyssa Howell
- Publisher/website: OpenStax
- Book title: Algebra 1
- Publication date: Jun 4, 2025
- Location: Houston, Texas
- Book URL: https://openstax.org/books/algebra-1/pages/about-this-course
- Section URL: https://openstax.org/books/algebra-1/pages/6-dimensions-and-areas-of-rectangles

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