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  • Brainly User
2016-01-29T06:37:27+08:00

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There are only six rectangles overlapping,so I guess you typed twice the width and the length of the last triangle.

Common width = 2 units
Lengths of the 6 rectangles = 1, 4, 9, 16, 25, and 36 units

Equation:

2 units [(1 + 4 + 9 + 16 + 25 + 36) units]

2 units [(91) units]

= 182 squared units   or    182 units²

(Edit: The image below might help you)

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